25040472 has 64 divisors (see below), whose sum is σ = 64972800. Its totient is φ = 8037120.

The previous prime is 25040471. The next prime is 25040479. The reversal of 25040472 is 27404052.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25040471) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 88972 + ... + 89252.

It is an arithmetic number, because the mean of its divisors is an integer number (1015200).

Almost surely, 2^25040472 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 25040472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32486400).

25040472 is an abundant number, since it is smaller than the sum of its proper divisors (39932328).

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

25040472 is a wasteful number, since it uses less digits than its factorization.

25040472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 25040472 is about 5004.0455633417. The cubic root of 25040472 is about 292.5594765458.

The spelling of 25040472 in words is "twenty-five million, forty thousand, four hundred seventy-two".