425626656 has 192 divisors, whose sum is σ = 1394039808. Its totient is φ = 110711808.

The previous prime is 425626639. The next prime is 425626673. The reversal of 425626656 is 656626524.

It is an interprime number because it is at equal distance from previous prime (425626639) and next prime (425626673).

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 724795 + ... + 725381.

It is an arithmetic number, because the mean of its divisors is an integer number (7260624).

Almost surely, 2^425626656 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 425626656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (697019904).

425626656 is an abundant number, since it is smaller than the sum of its proper divisors (968413152).

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

425626656 is a wasteful number, since it uses less digits than its factorization.

425626656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703 (or 695 counting only the distinct ones).

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

The square root of 425626656 is about 20630.7211701385. The cubic root of 425626656 is about 752.2166457435.

The spelling of 425626656 in words is "four hundred twenty-five million, six hundred twenty-six thousand, six hundred fifty-six".