26915232 has 48 divisors (see below), whose sum is σ = 70997472. Its totient is φ = 8928000.

The previous prime is 26915209. The next prime is 26915249. The reversal of 26915232 is 23251962.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×26915232² = 1448859427227648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26915232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23538 + ... + 24654.

It is an arithmetic number, because the mean of its divisors is an integer number (1479114).

Almost surely, 2^26915232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26915232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35498736).

26915232 is an abundant number, since it is smaller than the sum of its proper divisors (44082240).

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

26915232 is a wasteful number, since it uses less digits than its factorization.

26915232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381 (or 1373 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 26915232 is about 5187.9892058484. The cubic root of 26915232 is about 299.6857153099.

The spelling of 26915232 in words is "twenty-six million, nine hundred fifteen thousand, two hundred thirty-two".