25747796460 has 48 divisors (see below), whose sum is σ = 72107193312. Its totient is φ = 6864806400.

The previous prime is 25747796419. The next prime is 25747796507. The reversal of 25747796460 is 6469774752.

It is a self number, because there is not a number n which added to its sum of digits gives 25747796460.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312400 + ... + 386120.

It is an arithmetic number, because the mean of its divisors is an integer number (1502233194).

Almost surely, 2^25747796460 is an apocalyptic number.

25747796460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25747796460 is an abundant number, since it is smaller than the sum of its proper divisors (46359396852).

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

25747796460 is a wasteful number, since it uses less digits than its factorization.

25747796460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79554 (or 79552 counting only the distinct ones).

The product of its (nonzero) digits is 17781120, while the sum is 57.

The spelling of 25747796460 in words is "twenty-five billion, seven hundred forty-seven million, seven hundred ninety-six thousand, four hundred sixty".