461431474220 has 72 divisors (see below), whose sum is σ = 979414872912. Its totient is φ = 182604119040.

The previous prime is 461431474201. The next prime is 461431474237. The reversal of 461431474220 is 22474134164.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189342842 + ... + 189345278.

It is an arithmetic number, because the mean of its divisors is an integer number (13602984346).

Almost surely, 2^461431474220 is an apocalyptic number.

It is an amenable number.

461431474220 is an abundant number, since it is smaller than the sum of its proper divisors (517983398692).

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

461431474220 is a wasteful number, since it uses less digits than its factorization.

461431474220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3091 (or 2848 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 38.

The spelling of 461431474220 in words is "four hundred sixty-one billion, four hundred thirty-one million, four hundred seventy-four thousand, two hundred twenty".