10644813504 has 112 divisors (see below), whose sum is σ = 33701065440. Its totient is φ = 3275320320.

The previous prime is 10644813503. The next prime is 10644813523. The reversal of 10644813504 is 40531844601.

10644813504 is a `hidden beast` number, since 1 + 0 + 644 + 8 + 1 + 3 + 5 + 0 + 4 = 666.

It is a super-2 number, since 2×10644813504² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (10644813503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214467 + ... + 259394.

It is an arithmetic number, because the mean of its divisors is an integer number (300902370).

Almost surely, 2^10644813504 is an apocalyptic number.

It is an amenable number.

10644813504 is an abundant number, since it is smaller than the sum of its proper divisors (23056251936).

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

10644813504 is a wasteful number, since it uses less digits than its factorization.

10644813504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473895 (or 473879 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 10644813504 in words is "ten billion, six hundred forty-four million, eight hundred thirteen thousand, five hundred four".