25940944 has 10 divisors (see below), whose sum is σ = 50260610. Its totient is φ = 12970464.

The previous prime is 25940939. The next prime is 25940951. The reversal of 25940944 is 44904952.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22657600 + 3283344 = 4760^2 + 1812^2 .

It is a super-2 number, since 2×25940944² = 1345865151222272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 810639 + ... + 810670.

It is an arithmetic number, because the mean of its divisors is an integer number (5026061).

Almost surely, 2^25940944 is an apocalyptic number.

It is an amenable number.

25940944 is a deficient number, since it is larger than the sum of its proper divisors (24319666).

25940944 is a wasteful number, since it uses less digits than its factorization.

25940944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621317 (or 1621311 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 25940944 is about 5093.2253042645. The cubic root of 25940944 is about 296.0251378700.

The spelling of 25940944 in words is "twenty-five million, nine hundred forty thousand, nine hundred forty-four".