397074507456 has 112 divisors (see below), whose sum is σ = 1213519259520. Its totient is φ = 113247621120.

The previous prime is 397074507451. The next prime is 397074507469. The reversal of 397074507456 is 654705470793.

It is a junction number, because it is equal to n+sod(n) for n = 397074507396 and 397074507405.

It is not an unprimeable number, because it can be changed into a prime (397074507451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5493766 + ... + 5565573.

Almost surely, 2^397074507456 is an apocalyptic number.

It is an amenable number.

397074507456 is an abundant number, since it is smaller than the sum of its proper divisors (816444752064).

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

397074507456 is a wasteful number, since it uses less digits than its factorization.

397074507456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11059382 (or 11059372 counting only the distinct ones).

The product of its (nonzero) digits is 22226400, while the sum is 57.

The spelling of 397074507456 in words is "three hundred ninety-seven billion, seventy-four million, five hundred seven thousand, four hundred fifty-six".