431150664 has 64 divisors (see below), whose sum is σ = 1236378240. Its totient is φ = 122734080.

The previous prime is 431150659. The next prime is 431150683. The reversal of 431150664 is 466051134.

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, 42642 + ... + 51774.

It is an arithmetic number, because the mean of its divisors is an integer number (19318410).

Almost surely, 2^431150664 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 431150664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (618189120).

431150664 is an abundant number, since it is smaller than the sum of its proper divisors (805227576).

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

431150664 is a wasteful number, since it uses less digits than its factorization.

431150664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9430 (or 9426 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 431150664 is about 20764.1677897285. The cubic root of 431150664 is about 755.4568899548.

The spelling of 431150664 in words is "four hundred thirty-one million, one hundred fifty thousand, six hundred sixty-four".