397457490006 has 32 divisors (see below), whose sum is σ = 903779310720. Its totient is φ = 129404763432.

The previous prime is 397457489953. The next prime is 397457490011. The reversal of 397457490006 is 600094754793.

It is a happy number.

397457490006 is a `hidden beast` number, since 39 + 74 + 57 + 490 + 0 + 0 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85582840 + ... + 85587483.

It is an arithmetic number, because the mean of its divisors is an integer number (28243103460).

Almost surely, 2^397457490006 is an apocalyptic number.

397457490006 is an abundant number, since it is smaller than the sum of its proper divisors (506321820714).

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

397457490006 is a wasteful number, since it uses less digits than its factorization.

397457490006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171170377 (or 171170371 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The spelling of 397457490006 in words is "three hundred ninety-seven billion, four hundred fifty-seven million, four hundred ninety thousand, six".