397302028032 has 144 divisors (see below), whose sum is σ = 1301419051520. Its totient is φ = 104782934016.

The previous prime is 397302027977. The next prime is 397302028073. The reversal of 397302028032 is 230820203793.

It is a super-2 number, since 2×397302028032² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 2772532 + ... + 2912307.

Almost surely, 2^397302028032 is an apocalyptic number.

397302028032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

397302028032 is an abundant number, since it is smaller than the sum of its proper divisors (904117023488).

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

397302028032 is a wasteful number, since it uses less digits than its factorization.

397302028032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5684878 (or 5684864 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The spelling of 397302028032 in words is "three hundred ninety-seven billion, three hundred two million, twenty-eight thousand, thirty-two".