431257725396 has 96 divisors (see below), whose sum is σ = 1127613872000. Its totient is φ = 142528978944.

The previous prime is 431257725383. The next prime is 431257725413. The reversal of 431257725396 is 693527752134.

431257725396 is a `hidden beast` number, since 4 + 3 + 12 + 577 + 2 + 53 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11525550 + ... + 11562906.

Almost surely, 2^431257725396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431257725396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563806936000).

431257725396 is an abundant number, since it is smaller than the sum of its proper divisors (696356146604).

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

431257725396 is a wasteful number, since it uses less digits than its factorization.

431257725396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38278 (or 38270 counting only the distinct ones).

The product of its digits is 9525600, while the sum is 54.

The spelling of 431257725396 in words is "four hundred thirty-one billion, two hundred fifty-seven million, seven hundred twenty-five thousand, three hundred ninety-six".