26790320 has 40 divisors (see below), whose sum is σ = 62503440. Its totient is φ = 10679040.

The previous prime is 26790319. The next prime is 26790371. The reversal of 26790320 is 2309762.

It is a tau number, because it is divible by the number of its divisors (40).

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, 42971 + ... + 43589.

It is an arithmetic number, because the mean of its divisors is an integer number (1562586).

Almost surely, 2^26790320 is an apocalyptic number.

26790320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26790320 is an abundant number, since it is smaller than the sum of its proper divisors (35713120).

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

26790320 is a wasteful number, since it uses less digits than its factorization.

26790320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173 (or 1167 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 26790320 is about 5175.9366302149. The cubic root of 26790320 is about 299.2213883687.

The spelling of 26790320 in words is "twenty-six million, seven hundred ninety thousand, three hundred twenty".