25600606320 has 320 divisors, whose sum is σ = 85098553344. Its totient is φ = 6352389120.

The previous prime is 25600606309. The next prime is 25600606349. The reversal of 25600606320 is 2360600652.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32528967 + ... + 32529753.

Almost surely, 2^25600606320 is an apocalyptic number.

25600606320 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 25600606320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42549276672).

25600606320 is an abundant number, since it is smaller than the sum of its proper divisors (59497947024).

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

25600606320 is a wasteful number, since it uses less digits than its factorization.

25600606320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980 (or 974 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 25600606320 in words is "twenty-five billion, six hundred million, six hundred six thousand, three hundred twenty".