425617522688 has 180 divisors, whose sum is σ = 921635559075. Its totient is φ = 196511531008.

The previous prime is 425617522643. The next prime is 425617522691. The reversal of 425617522688 is 886225716524.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 397242793984 + 28374728704 = 630272^2 + 168448^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=461312.

It is a Duffinian number.

Its product of digits (12902400) is a multiple of the sum of its prime divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8030519270 + ... + 8030519322.

Almost surely, 2^425617522688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425617522688

425617522688 is an abundant number, since it is smaller than the sum of its proper divisors (496018036387).

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

425617522688 is an frugal number, since it uses more digits than its factorization.

425617522688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 72 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 56.

The spelling of 425617522688 in words is "four hundred twenty-five billion, six hundred seventeen million, five hundred twenty-two thousand, six hundred eighty-eight".