26891264 has 22 divisors (see below), whose sum is σ = 53758314. Its totient is φ = 13445120.

The previous prime is 26891257. The next prime is 26891273. The reversal of 26891264 is 46219862.

It can be written as a sum of positive squares in only one way, i.e., 14500864 + 12390400 = 3808^2 + 3520^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12107 + ... + 14154.

Almost surely, 2^26891264 is an apocalyptic number.

It is an amenable number.

26891264 is a deficient number, since it is larger than the sum of its proper divisors (26867050).

26891264 is an equidigital number, since it uses as much as digits as its factorization.

26891264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26281 (or 26263 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 26891264 is about 5185.6787405315. The cubic root of 26891264 is about 299.5967322340.

It can be divided in two parts, 268912 and 64, that multiplied together give a 5-th power (17210368 = 28⁵).

The spelling of 26891264 in words is "twenty-six million, eight hundred ninety-one thousand, two hundred sixty-four".