25492044 has 96 divisors (see below), whose sum is σ = 67737600. Its totient is φ = 7418880.

The previous prime is 25492043. The next prime is 25492057. The reversal of 25492044 is 44029452.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25492043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183327 + ... + 183465.

It is an arithmetic number, because the mean of its divisors is an integer number (705600).

Almost surely, 2^25492044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25492044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33868800).

25492044 is an abundant number, since it is smaller than the sum of its proper divisors (42245556).

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

25492044 is a wasteful number, since it uses less digits than its factorization.

25492044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 25492044 is about 5048.9646463409. The cubic root of 25492044 is about 294.3076514804.

The spelling of 25492044 in words is "twenty-five million, four hundred ninety-two thousand, forty-four".