641306304 has 42 divisors (see below), whose sum is σ = 1838190380. Its totient is φ = 213768576.

The previous prime is 641306291. The next prime is 641306327. The reversal of 641306304 is 403603146.

It is a super-2 number, since 2×641306304² = 822547551100280832, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556114 + ... + 557265.

Almost surely, 2^641306304 is an apocalyptic number.

641306304 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

641306304 is an abundant number, since it is smaller than the sum of its proper divisors (1196884076).

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

641306304 is a wasteful number, since it uses less digits than its factorization.

641306304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113397 (or 1113384 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 641306304 is about 25324.0262201728. The cubic root of 641306304 is about 862.3597997698.

The spelling of 641306304 in words is "six hundred forty-one million, three hundred six thousand, three hundred four".