431164640952 has 64 divisors (see below), whose sum is σ = 1199830125600. Its totient is φ = 143463479040.

The previous prime is 431164640917. The next prime is 431164640957. The reversal of 431164640952 is 259046461134.

431164640952 is a `hidden beast` number, since 4 + 31 + 164 + 6 + 409 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 431164640898 and 431164640907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431164640957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1671549 + ... + 1912172.

Almost surely, 2^431164640952 is an apocalyptic number.

It is an amenable number.

431164640952 is an abundant number, since it is smaller than the sum of its proper divisors (768665484648).

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

431164640952 is a wasteful number, since it uses less digits than its factorization.

431164640952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3584293 (or 3584283 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 431164640952 in words is "four hundred thirty-one billion, one hundred sixty-four million, six hundred forty thousand, nine hundred fifty-two".