25540368 has 60 divisors (see below), whose sum is σ = 76758480. Its totient is φ = 7296576.

The previous prime is 25540363. The next prime is 25540369. The reversal of 25540368 is 86304552.

It is not an unprimeable number, because it can be changed into a prime (25540363) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3078 + ... + 7781.

It is an arithmetic number, because the mean of its divisors is an integer number (1279308).

Almost surely, 2^25540368 is an apocalyptic number.

25540368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25540368 is an abundant number, since it is smaller than the sum of its proper divisors (51218112).

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

25540368 is a wasteful number, since it uses less digits than its factorization.

25540368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10884 (or 10871 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 25540368 is about 5053.7479161509. The cubic root of 25540368 is about 294.4935022198.

The spelling of 25540368 in words is "twenty-five million, five hundred forty thousand, three hundred sixty-eight".