25650604740 has 24 divisors (see below), whose sum is σ = 71821693440. Its totient is φ = 6840161248.

The previous prime is 25650604739. The next prime is 25650604769. The reversal of 25650604740 is 4740605652.

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, 213754980 + ... + 213755099.

It is an arithmetic number, because the mean of its divisors is an integer number (2992570560).

Almost surely, 2^25650604740 is an apocalyptic number.

25650604740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25650604740 is an abundant number, since it is smaller than the sum of its proper divisors (46171088700).

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

25650604740 is a wasteful number, since it uses less digits than its factorization.

25650604740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427510091 (or 427510089 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 25650604740 in words is "twenty-five billion, six hundred fifty million, six hundred four thousand, seven hundred forty".