25440488 has 16 divisors (see below), whose sum is σ = 47950980. Its totient is φ = 12653568.

The previous prime is 25440479. The next prime is 25440521. The reversal of 25440488 is 88404452.

It can be written as a sum of positive squares in 2 ways, for example, as 24226084 + 1214404 = 4922^2 + 1102^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6695 + ... + 9782.

Almost surely, 2^25440488 is an apocalyptic number.

It is an amenable number.

25440488 is a deficient number, since it is larger than the sum of its proper divisors (22510492).

25440488 is a wasteful number, since it uses less digits than its factorization.

25440488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16676 (or 16672 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 35.

The square root of 25440488 is about 5043.8564610821. The cubic root of 25440488 is about 294.1091115515.

The spelling of 25440488 in words is "twenty-five million, four hundred forty thousand, four hundred eighty-eight".