431040516 has 24 divisors (see below), whose sum is σ = 1049490624. Its totient is φ = 137433120.

The previous prime is 431040487. The next prime is 431040521. The reversal of 431040516 is 615040134.

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, 780595 + ... + 781146.

It is an arithmetic number, because the mean of its divisors is an integer number (43728776).

Almost surely, 2^431040516 is an apocalyptic number.

431040516 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

431040516 is an abundant number, since it is smaller than the sum of its proper divisors (618450108).

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

431040516 is a wasteful number, since it uses less digits than its factorization.

431040516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561771 (or 1561769 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 431040516 is about 20761.5152626199. The cubic root of 431040516 is about 755.3925511519.

The spelling of 431040516 in words is "four hundred thirty-one million, forty thousand, five hundred sixteen".