396459225528 has 64 divisors (see below), whose sum is σ = 1016003520000. Its totient is φ = 128843339520.

The previous prime is 396459225499. The next prime is 396459225563. The reversal of 396459225528 is 825522954693.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1340625 + ... + 1609407.

It is an arithmetic number, because the mean of its divisors is an integer number (15875055000).

Almost surely, 2^396459225528 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 396459225528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508001760000).

396459225528 is an abundant number, since it is smaller than the sum of its proper divisors (619544294472).

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

396459225528 is a wasteful number, since it uses less digits than its factorization.

396459225528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270332 (or 270328 counting only the distinct ones).

The product of its digits is 46656000, while the sum is 60.

The spelling of 396459225528 in words is "three hundred ninety-six billion, four hundred fifty-nine million, two hundred twenty-five thousand, five hundred twenty-eight".