25001607140 has 24 divisors (see below), whose sum is σ = 55266711360. Its totient is φ = 9474293088.

The previous prime is 25001607097. The next prime is 25001607149. The reversal of 25001607140 is 4170610052.

It is not an unprimeable number, because it can be changed into a prime (25001607149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32896472 + ... + 32897231.

It is an arithmetic number, because the mean of its divisors is an integer number (2302779640).

Almost surely, 2^25001607140 is an apocalyptic number.

25001607140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25001607140 is an abundant number, since it is smaller than the sum of its proper divisors (30265104220).

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

25001607140 is a wasteful number, since it uses less digits than its factorization.

25001607140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65793731 (or 65793729 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The spelling of 25001607140 in words is "twenty-five billion, one million, six hundred seven thousand, one hundred forty".