26564432 has 20 divisors (see below), whose sum is σ = 54178080. Its totient is φ = 12583008.

The previous prime is 26564431. The next prime is 26564441. The reversal of 26564432 is 23446562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26564431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43388 + ... + 43995.

It is an arithmetic number, because the mean of its divisors is an integer number (2708904).

Almost surely, 2^26564432 is an apocalyptic number.

It is an amenable number.

26564432 is an abundant number, since it is smaller than the sum of its proper divisors (27613648).

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

26564432 is a wasteful number, since it uses less digits than its factorization.

26564432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87410 (or 87404 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 26564432 is about 5154.0694601451. The cubic root of 26564432 is about 298.3780317187.

The spelling of 26564432 in words is "twenty-six million, five hundred sixty-four thousand, four hundred thirty-two".