431161523255360 has 112 divisors (see below), whose sum is σ = 1033273415735040. Its totient is φ = 171361045739520.

The previous prime is 431161523255357. The next prime is 431161523255401. The reversal of 431161523255360 is 63552325161134.

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, 2021098781 + ... + 2021312099.

Almost surely, 2^{431161523255360} is an apocalyptic number.

431161523255360 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431161523255360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516636707867520).

431161523255360 is an abundant number, since it is smaller than the sum of its proper divisors (602111892479680).

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

431161523255360 is a wasteful number, since it uses less digits than its factorization.

431161523255360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253724 (or 253714 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 47.

The spelling of 431161523255360 in words is "four hundred thirty-one trillion, one hundred sixty-one billion, five hundred twenty-three million, two hundred fifty-five thousand, three hundred sixty".