26815264 has 48 divisors (see below), whose sum is σ = 61387200. Its totient is φ = 11291904.

The previous prime is 26815253. The next prime is 26815277. The reversal of 26815264 is 46251862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12202 + ... + 14230.

It is an arithmetic number, because the mean of its divisors is an integer number (1278900).

Almost surely, 2^26815264 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 26815264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30693600).

26815264 is an abundant number, since it is smaller than the sum of its proper divisors (34571936).

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

26815264 is a wasteful number, since it uses less digits than its factorization.

26815264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105 (or 2097 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 26815264 is about 5178.3456817791. The cubic root of 26815264 is about 299.3142261679.

The spelling of 26815264 in words is "twenty-six million, eight hundred fifteen thousand, two hundred sixty-four".