25044480 has 120 divisors (see below), whose sum is σ = 86815872. Its totient is φ = 6672384.

The previous prime is 25044457. The next prime is 25044577. The reversal of 25044480 is 8444052.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22497 + ... + 23583.

Almost surely, 2^25044480 is an apocalyptic number.

25044480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25044480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43407936).

25044480 is an abundant number, since it is smaller than the sum of its proper divisors (61771392).

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

25044480 is a wasteful number, since it uses less digits than its factorization.

25044480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116 (or 1097 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 25044480 is about 5004.4460232877. The cubic root of 25044480 is about 292.5750848222.

The spelling of 25044480 in words is "twenty-five million, forty-four thousand, four hundred eighty".