25928080 has 20 divisors (see below), whose sum is σ = 60282972. Its totient is φ = 10371200.

The previous prime is 25928051. The next prime is 25928093. The reversal of 25928080 is 8082952.

It can be written as a sum of positive squares in 2 ways, for example, as 4804864 + 21123216 = 2192^2 + 4596^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 161971 + ... + 162130.

Almost surely, 2^25928080 is an apocalyptic number.

25928080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25928080 is an abundant number, since it is smaller than the sum of its proper divisors (34354892).

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

25928080 is a wasteful number, since it uses less digits than its factorization.

25928080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324114 (or 324108 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 25928080 is about 5091.9622936546. The cubic root of 25928080 is about 295.9761972581.

The spelling of 25928080 in words is "twenty-five million, nine hundred twenty-eight thousand, eighty".