641359296 has 70 divisors (see below), whose sum is σ = 1901205240. Its totient is φ = 213784704.

The previous prime is 641359283. The next prime is 641359297. The reversal of 641359296 is 692953146.

641359296 is a `hidden beast` number, since 6 + 4 + 1 + 359 + 296 = 666.

It is a super-2 number, since 2×641359296² = 822683493131231232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641359297) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 56676 + ... + 67043.

Almost surely, 2^641359296 is an apocalyptic number.

It is an amenable number.

641359296 is an abundant number, since it is smaller than the sum of its proper divisors (1259845944).

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

641359296 is a wasteful number, since it uses less digits than its factorization.

641359296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123743 (or 123724 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 641359296 is about 25325.0724776850. The cubic root of 641359296 is about 862.3835517646.

The spelling of 641359296 in words is "six hundred forty-one million, three hundred fifty-nine thousand, two hundred ninety-six".