26420944 has 40 divisors (see below), whose sum is σ = 58790880. Its totient is φ = 11376000.

The previous prime is 26420939. The next prime is 26420969. The reversal of 26420944 is 44902462.

It is a super-2 number, since 2×26420944² = 1396132563702272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 607 + ... + 7294.

It is an arithmetic number, because the mean of its divisors is an integer number (1469772).

Almost surely, 2^26420944 is an apocalyptic number.

It is an amenable number.

26420944 is an abundant number, since it is smaller than the sum of its proper divisors (32369936).

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

26420944 is a wasteful number, since it uses less digits than its factorization.

26420944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7939 (or 7933 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 26420944 is about 5140.1307376369. The cubic root of 26420944 is about 297.8398310487.

The spelling of 26420944 in words is "twenty-six million, four hundred twenty thousand, nine hundred forty-four".