25368812140 has 72 divisors (see below), whose sum is σ = 61997149872. Its totient is φ = 8694403200.

The previous prime is 25368812111. The next prime is 25368812177. The reversal of 25368812140 is 4121886352.

It is a super-2 number, since 2×25368812140² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25368812093 and 25368812102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4155090 + ... + 4161190.

It is an arithmetic number, because the mean of its divisors is an integer number (861071526).

Almost surely, 2^25368812140 is an apocalyptic number.

25368812140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25368812140 is an abundant number, since it is smaller than the sum of its proper divisors (36628337732).

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

25368812140 is a wasteful number, since it uses less digits than its factorization.

25368812140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10367 (or 10358 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 25368812140 in words is "twenty-five billion, three hundred sixty-eight million, eight hundred twelve thousand, one hundred forty".