431657484680 has 32 divisors (see below), whose sum is σ = 973207448640. Its totient is φ = 172311330240.

The previous prime is 431657484649. The next prime is 431657484691. The reversal of 431657484680 is 86484756134.

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, 10969604 + ... + 11008883.

It is an arithmetic number, because the mean of its divisors is an integer number (30412732770).

Almost surely, 2^431657484680 is an apocalyptic number.

431657484680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

431657484680 is an abundant number, since it is smaller than the sum of its proper divisors (541549963960).

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

431657484680 is a wasteful number, since it uses less digits than its factorization.

431657484680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21978989 (or 21978985 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 56.

The spelling of 431657484680 in words is "four hundred thirty-one billion, six hundred fifty-seven million, four hundred eighty-four thousand, six hundred eighty".