25622338560 has 704 divisors, whose sum is σ = 105380739072. Its totient is φ = 5164498944.

The previous prime is 25622338549. The next prime is 25622338589. The reversal of 25622338560 is 6583322652.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 32148082 + ... + 32148878.

Almost surely, 2^25622338560 is an apocalyptic number.

25622338560 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 25622338560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52690369536).

25622338560 is an abundant number, since it is smaller than the sum of its proper divisors (79758400512).

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

25622338560 is a wasteful number, since it uses less digits than its factorization.

25622338560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868 (or 850 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 25622338560 in words is "twenty-five billion, six hundred twenty-two million, three hundred thirty-eight thousand, five hundred sixty".