463320644 has 12 divisors (see below), whose sum is σ = 811656384. Its totient is φ = 231418824.

The previous prime is 463320629. The next prime is 463320667. The reversal of 463320644 is 446023364.

It is a self number, because there is not a number n which added to its sum of digits gives 463320644.

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, 56024 + ... + 63759.

It is an arithmetic number, because the mean of its divisors is an integer number (67638032).

Almost surely, 2^463320644 is an apocalyptic number.

It is an amenable number.

463320644 is a deficient number, since it is larger than the sum of its proper divisors (348335740).

463320644 is a wasteful number, since it uses less digits than its factorization.

463320644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120754 (or 120752 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

The square root of 463320644 is about 21524.8842970177. The cubic root of 463320644 is about 773.7973126479.

The spelling of 463320644 in words is "four hundred sixty-three million, three hundred twenty thousand, six hundred forty-four".