396003658032 has 120 divisors (see below), whose sum is σ = 1113045171264. Its totient is φ = 131432297472.

The previous prime is 396003658021. The next prime is 396003658097. The reversal of 396003658032 is 230856300693.

396003658032 is a `hidden beast` number, since 3 + 9 + 6 + 0 + 0 + 36 + 580 + 32 = 666.

It is a super-2 number, since 2×396003658032² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43497993 + ... + 43507095.

Almost surely, 2^396003658032 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 396003658032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (556522585632).

396003658032 is an abundant number, since it is smaller than the sum of its proper divisors (717041513232).

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

396003658032 is a wasteful number, since it uses less digits than its factorization.

396003658032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10387 (or 10378 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The spelling of 396003658032 in words is "three hundred ninety-six billion, three million, six hundred fifty-eight thousand, thirty-two".