25440932 has 12 divisors (see below), whose sum is σ = 48569136. Its totient is φ = 11564040.

The previous prime is 25440929. The next prime is 25440973. The reversal of 25440932 is 23904452.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 25440895 and 25440904.

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, 289058 + ... + 289145.

It is an arithmetic number, because the mean of its divisors is an integer number (4047428).

Almost surely, 2^25440932 is an apocalyptic number.

25440932 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25440932 is a deficient number, since it is larger than the sum of its proper divisors (23128204).

25440932 is a wasteful number, since it uses less digits than its factorization.

25440932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578218 (or 578216 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 25440932 is about 5043.9004748310. The cubic root of 25440932 is about 294.1108225209.

The spelling of 25440932 in words is "twenty-five million, four hundred forty thousand, nine hundred thirty-two".