464536644 has 48 divisors (see below), whose sum is σ = 1273419840. Its totient is φ = 129939840.

The previous prime is 464536613. The next prime is 464536691. The reversal of 464536644 is 446635464.

It is a junction number, because it is equal to n+sod(n) for n = 464536596 and 464536605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133639 + ... + 137070.

It is an arithmetic number, because the mean of its divisors is an integer number (26529580).

Almost surely, 2^464536644 is an apocalyptic number.

464536644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

464536644 is an abundant number, since it is smaller than the sum of its proper divisors (808883196).

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

464536644 is a wasteful number, since it uses less digits than its factorization.

464536644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270740 (or 270738 counting only the distinct ones).

The product of its digits is 829440, while the sum is 42.

The square root of 464536644 is about 21553.1121650679. The cubic root of 464536644 is about 774.4736732985.

The spelling of 464536644 in words is "four hundred sixty-four million, five hundred thirty-six thousand, six hundred forty-four".