641008360 has 16 divisors (see below), whose sum is σ = 1442268900. Its totient is φ = 256403328.

The previous prime is 641008343. The next prime is 641008429. The reversal of 641008360 is 63800146.

It can be written as a sum of positive squares in 2 ways, for example, as 640798596 + 209764 = 25314^2 + 458^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8012565 + ... + 8012644.

Almost surely, 2^641008360 is an apocalyptic number.

It is an amenable number.

641008360 is an abundant number, since it is smaller than the sum of its proper divisors (801260540).

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

641008360 is a wasteful number, since it uses less digits than its factorization.

641008360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16025220 (or 16025216 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 641008360 is about 25318.1429018797. The cubic root of 641008360 is about 862.2262313920.

The spelling of 641008360 in words is "six hundred forty-one million, eight thousand, three hundred sixty".