25625464122720 has 384 divisors, whose sum is σ = 100646936570880. Its totient is φ = 5324308807680.

The previous prime is 25625464122719. The next prime is 25625464122809. The reversal of 25625464122720 is 2722146452652.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 25625464122720.

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, 571859676 + ... + 571904484.

It is an arithmetic number, because the mean of its divisors is an integer number (262101397320).

Almost surely, 2^{25625464122720} is an apocalyptic number.

25625464122720 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 25625464122720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50323468285440).

25625464122720 is an abundant number, since it is smaller than the sum of its proper divisors (75021472448160).

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

25625464122720 is a wasteful number, since it uses less digits than its factorization.

25625464122720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60318 (or 60310 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 48.

The spelling of 25625464122720 in words is "twenty-five trillion, six hundred twenty-five billion, four hundred sixty-four million, one hundred twenty-two thousand, seven hundred twenty".