26790464 has 14 divisors (see below), whose sum is σ = 53162454. Its totient is φ = 13395200.

The previous prime is 26790457. The next prime is 26790497. The reversal of 26790464 is 46409762.

It can be written as a sum of positive squares in only one way, i.e., 25806400 + 984064 = 5080^2 + 992^2 .

It is a super-2 number, since 2×26790464² = 1435457922670592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209237 + ... + 209364.

Almost surely, 2^26790464 is an apocalyptic number.

It is an amenable number.

26790464 is a deficient number, since it is larger than the sum of its proper divisors (26371990).

26790464 is an equidigital number, since it uses as much as digits as its factorization.

26790464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418613 (or 418603 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 26790464 is about 5175.9505407220. The cubic root of 26790464 is about 299.2219244803.

The spelling of 26790464 in words is "twenty-six million, seven hundred ninety thousand, four hundred sixty-four".