25422859560 has 256 divisors, whose sum is σ = 95742259200. Its totient is φ = 5265672192.

The previous prime is 25422859493. The next prime is 25422859589. The reversal of 25422859560 is 6595822452.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 332452 + ... + 401708.

It is an arithmetic number, because the mean of its divisors is an integer number (373993200).

Almost surely, 2^25422859560 is an apocalyptic number.

25422859560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25422859560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47871129600).

25422859560 is an abundant number, since it is smaller than the sum of its proper divisors (70319399640).

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

25422859560 is a wasteful number, since it uses less digits than its factorization.

25422859560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69320 (or 69316 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 25422859560 in words is "twenty-five billion, four hundred twenty-two million, eight hundred fifty-nine thousand, five hundred sixty".