25886480 has 20 divisors (see below), whose sum is σ = 60186252. Its totient is φ = 10354560.

The previous prime is 25886479. The next prime is 25886489. The reversal of 25886480 is 8468852.

It can be written as a sum of positive squares in 2 ways, for example, as 18113536 + 7772944 = 4256^2 + 2788^2 .

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

It is not an unprimeable number, because it can be changed into a prime (25886489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161711 + ... + 161870.

Almost surely, 2^25886480 is an apocalyptic number.

25886480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25886480 is an abundant number, since it is smaller than the sum of its proper divisors (34299772).

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

25886480 is a wasteful number, since it uses less digits than its factorization.

25886480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323594 (or 323588 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 25886480 is about 5087.8757846473. The cubic root of 25886480 is about 295.8178206947.

The spelling of 25886480 in words is "twenty-five million, eight hundred eighty-six thousand, four hundred eighty".