25464080 has 20 divisors (see below), whose sum is σ = 59204172. Its totient is φ = 10185600.

The previous prime is 25464077. The next prime is 25464091. The reversal of 25464080 is 8046452.

It can be written as a sum of positive squares in 2 ways, for example, as 14992384 + 10471696 = 3872^2 + 3236^2 .

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

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

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, 159071 + ... + 159230.

Almost surely, 2^25464080 is an apocalyptic number.

25464080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25464080 is an abundant number, since it is smaller than the sum of its proper divisors (33740092).

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

25464080 is a wasteful number, since it uses less digits than its factorization.

25464080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318314 (or 318308 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 25464080 is about 5046.1946058391. The cubic root of 25464080 is about 294.1999965802.

The spelling of 25464080 in words is "twenty-five million, four hundred sixty-four thousand, eighty".