25880880 has 40 divisors (see below), whose sum is σ = 80231472. Its totient is φ = 6901504.

The previous prime is 25880857. The next prime is 25880903. The reversal of 25880880 is 8808852.

It is an interprime number because it is at equal distance from previous prime (25880857) and next prime (25880903).

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53679 + ... + 54158.

Almost surely, 2^25880880 is an apocalyptic number.

25880880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25880880 is an abundant number, since it is smaller than the sum of its proper divisors (54350592).

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

25880880 is a wasteful number, since it uses less digits than its factorization.

25880880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107853 (or 107847 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 39.

The square root of 25880880 is about 5087.3254269803. The cubic root of 25880880 is about 295.7964878179.

The spelling of 25880880 in words is "twenty-five million, eight hundred eighty thousand, eight hundred eighty".