10564440 has 32 divisors (see below), whose sum is σ = 31693680. Its totient is φ = 2817152.

The previous prime is 10564423. The next prime is 10564441. The reversal of 10564440 is 4446501.

It is a super-2 number, since 2×10564440² = 223214785027200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 10564440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10564441) 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, 43899 + ... + 44138.

Almost surely, 2^10564440 is an apocalyptic number.

10564440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10564440 is an abundant number, since it is smaller than the sum of its proper divisors (21129240).

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

10564440 is a wasteful number, since it uses less digits than its factorization.

10564440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88051 (or 88047 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 10564440 is about 3250.2984478352. The cubic root of 10564440 is about 219.4230059469.

The spelling of 10564440 in words is "ten million, five hundred sixty-four thousand, four hundred forty".