431874667220 has 12 divisors (see below), whose sum is σ = 906936801204. Its totient is φ = 172749866880.

The previous prime is 431874667219. The next prime is 431874667243. The reversal of 431874667220 is 22766478134.

It can be written as a sum of positive squares in 2 ways, for example, as 138351265936 + 293523401284 = 371956^2 + 541778^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10796866661 + ... + 10796866700.

It is an arithmetic number, because the mean of its divisors is an integer number (75578066767).

Almost surely, 2^431874667220 is an apocalyptic number.

It is an amenable number.

431874667220 is an abundant number, since it is smaller than the sum of its proper divisors (475062133984).

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

431874667220 is a wasteful number, since it uses less digits than its factorization.

431874667220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21593733370 (or 21593733368 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 50.

The spelling of 431874667220 in words is "four hundred thirty-one billion, eight hundred seventy-four million, six hundred sixty-seven thousand, two hundred twenty".