Octoquadragintillion belongs to the extended -illion naming system for very large numbers, sitting far beyond trillion, quadrillion and vigintillion. Clips pronouncing these extreme terms spread online because the words themselves sound impressive and slightly ridiculous, even before listeners learn the actual value. Creators reuse the pronunciation in maths memes, number comparison videos and edits about wealth, inflation and power scaling, where naming a number almost nobody uses in real life is the point. Its appeal has lasted because bigger -illion words always invite an even larger reply.