431664230452 has 48 divisors (see below), whose sum is σ = 984428847360. Its totient is φ = 160723072512.

The previous prime is 431664230447. The next prime is 431664230533. The reversal of 431664230452 is 254032466134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34872952 + ... + 34885327.

It is an arithmetic number, because the mean of its divisors is an integer number (20508934320).

Almost surely, 2^431664230452 is an apocalyptic number.

It is an amenable number.

431664230452 is an abundant number, since it is smaller than the sum of its proper divisors (552764616908).

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

431664230452 is a wasteful number, since it uses less digits than its factorization.

431664230452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69758320 (or 69758318 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 431664230452 its reverse (254032466134), we get a palindrome (685696696586).

The spelling of 431664230452 in words is "four hundred thirty-one billion, six hundred sixty-four million, two hundred thirty thousand, four hundred fifty-two".