225498387980 has 24 divisors (see below), whose sum is σ = 473562966240. Its totient is φ = 90196240640.

The previous prime is 225498387977. The next prime is 225498388013. The reversal of 225498387980 is 89783894522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451316 + ... + 809124.

It is an arithmetic number, because the mean of its divisors is an integer number (19731790260).

Almost surely, 2^225498387980 is an apocalyptic number.

225498387980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225498387980 is an abundant number, since it is smaller than the sum of its proper divisors (248064578260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225498387980 is a wasteful number, since it uses less digits than its factorization.

225498387980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389329 (or 389327 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 65.

The spelling of 225498387980 in words is "two hundred twenty-five billion, four hundred ninety-eight million, three hundred eighty-seven thousand, nine hundred eighty".