25740480 has 56 divisors (see below), whose sum is σ = 81729072. Its totient is φ = 6863872.

The previous prime is 25740469. The next prime is 25740503. The reversal of 25740480 is 8404752.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12447 + ... + 14366.

Almost surely, 2^25740480 is an apocalyptic number.

25740480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25740480 is an abundant number, since it is smaller than the sum of its proper divisors (55988592).

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

25740480 is a wasteful number, since it uses less digits than its factorization.

25740480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26833 (or 26823 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 25740480 is about 5073.5076623575. The cubic root of 25740480 is about 295.2606333983.

The spelling of 25740480 in words is "twenty-five million, seven hundred forty thousand, four hundred eighty".