25417376560 has 20 divisors (see below), whose sum is σ = 59095400688. Its totient is φ = 10166950592.

The previous prime is 25417376539. The next prime is 25417376561. The reversal of 25417376560 is 6567371452.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 25417376560.

It is not an unprimeable number, because it can be changed into a prime (25417376561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158858524 + ... + 158858683.

Almost surely, 2^25417376560 is an apocalyptic number.

25417376560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25417376560 is an abundant number, since it is smaller than the sum of its proper divisors (33678024128).

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

25417376560 is a wasteful number, since it uses less digits than its factorization.

25417376560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317717220 (or 317717214 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 25417376560 in words is "twenty-five billion, four hundred seventeen million, three hundred seventy-six thousand, five hundred sixty".