397752005328 has 80 divisors (see below), whose sum is σ = 1111117098240. Its totient is φ = 122129932288.

The previous prime is 397752005303. The next prime is 397752005359. The reversal of 397752005328 is 823500257793.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5147193 + ... + 5223896.

It is an arithmetic number, because the mean of its divisors is an integer number (13888963728).

Almost surely, 2^397752005328 is an apocalyptic number.

It is an amenable number.

397752005328 is an abundant number, since it is smaller than the sum of its proper divisors (713365092912).

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

397752005328 is a wasteful number, since it uses less digits than its factorization.

397752005328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10371164 (or 10371158 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 51.

The spelling of 397752005328 in words is "three hundred ninety-seven billion, seven hundred fifty-two million, five thousand, three hundred twenty-eight".