25118080 has 64 divisors (see below), whose sum is σ = 64688400. Its totient is φ = 9271296.

The previous prime is 25118077. The next prime is 25118081. The reversal of 25118080 is 8081152.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25118081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6811 + ... + 9829.

Almost surely, 2^25118080 is an apocalyptic number.

25118080 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 25118080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32344200).

25118080 is an abundant number, since it is smaller than the sum of its proper divisors (39570320).

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

25118080 is a wasteful number, since it uses less digits than its factorization.

25118080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3051 (or 3039 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 25118080 is about 5011.7940899442. The cubic root of 25118080 is about 292.8614082832.

The spelling of 25118080 in words is "twenty-five million, one hundred eighteen thousand, eighty".