431326894280 has 64 divisors (see below), whose sum is σ = 998843633280. Its totient is φ = 167561856000.

The previous prime is 431326894277. The next prime is 431326894343. The reversal of 431326894280 is 82498623134.

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, 943121 + ... + 1323680.

It is an arithmetic number, because the mean of its divisors is an integer number (15606931770).

Almost surely, 2^431326894280 is an apocalyptic number.

431326894280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

431326894280 is an abundant number, since it is smaller than the sum of its proper divisors (567516739000).

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

431326894280 is a wasteful number, since it uses less digits than its factorization.

431326894280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266950 (or 2266946 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 50.

The spelling of 431326894280 in words is "four hundred thirty-one billion, three hundred twenty-six million, eight hundred ninety-four thousand, two hundred eighty".