10644264 has 32 divisors (see below), whose sum is σ = 29568000. Its totient is φ = 3548016.

The previous prime is 10644233. The next prime is 10644269. The reversal of 10644264 is 46244601.

10644264 is a `hidden beast` number, since 10 + 644 + 2 + 6 + 4 = 666.

It is a super-2 number, since 2×10644264² = 226600712203392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10644269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24424 + ... + 24855.

It is an arithmetic number, because the mean of its divisors is an integer number (924000).

Almost surely, 2^10644264 is an apocalyptic number.

It is an amenable number.

10644264 is an abundant number, since it is smaller than the sum of its proper divisors (18923736).

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

10644264 is a wasteful number, since it uses less digits than its factorization.

10644264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49294 (or 49284 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 10644264 is about 3262.5548271255. The cubic root of 10644264 is about 219.9742669626.

Adding to 10644264 its reverse (46244601), we get a palindrome (56888865).

The spelling of 10644264 in words is "ten million, six hundred forty-four thousand, two hundred sixty-four".