396724160528 has 20 divisors (see below), whose sum is σ = 768917383980. Its totient is φ = 198293867904.

The previous prime is 396724160407. The next prime is 396724160549. The reversal of 396724160528 is 825061427693.

It can be written as a sum of positive squares in 2 ways, for example, as 167156687104 + 229567473424 = 408848^2 + 479132^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 396724160528.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4215275 + ... + 4308362.

It is an arithmetic number, because the mean of its divisors is an integer number (38445869199).

It is a 2-persistent number, because it is pandigital, and so is 2⋅396724160528 = 793448321056, but 3⋅396724160528 = 1190172481584 is not.

Almost surely, 2^396724160528 is an apocalyptic number.

It is an amenable number.

396724160528 is a deficient number, since it is larger than the sum of its proper divisors (372193223452).

396724160528 is a wasteful number, since it uses less digits than its factorization.

396724160528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8526554 (or 8526548 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 396724160528 in words is "three hundred ninety-six billion, seven hundred twenty-four million, one hundred sixty thousand, five hundred twenty-eight".