431044134564 has 24 divisors (see below), whose sum is σ = 1005912973408. Its totient is φ = 143660903040.

The previous prime is 431044134539. The next prime is 431044134583. The reversal of 431044134564 is 465431440134.

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, 2471557 + ... + 2640204.

Almost surely, 2^431044134564 is an apocalyptic number.

It is an amenable number.

431044134564 is an abundant number, since it is smaller than the sum of its proper divisors (574868838844).

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

431044134564 is a wasteful number, since it uses less digits than its factorization.

431044134564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5118795 (or 5118793 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 39.

Adding to 431044134564 its reverse (465431440134), we get a palindrome (896475574698).

The spelling of 431044134564 in words is "four hundred thirty-one billion, forty-four million, one hundred thirty-four thousand, five hundred sixty-four".