397576560960 has 336 divisors, whose sum is σ = 1375776979200. Its totient is φ = 105381015552.

The previous prime is 397576560937. The next prime is 397576560971. The reversal of 397576560960 is 69065675793.

397576560960 is a `hidden beast` number, since 3 + 9 + 7 + 5 + 7 + 6 + 560 + 9 + 60 = 666.

It is a super-2 number, since 2×397576560960² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 537992271 + ... + 537993009.

Almost surely, 2^397576560960 is an apocalyptic number.

397576560960 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397576560960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (687888489600).

397576560960 is an abundant number, since it is smaller than the sum of its proper divisors (978200418240).

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

397576560960 is a wasteful number, since it uses less digits than its factorization.

397576560960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638 (or 1625 counting only the distinct ones).

The product of its (nonzero) digits is 64297800, while the sum is 63.

The spelling of 397576560960 in words is "three hundred ninety-seven billion, five hundred seventy-six million, five hundred sixty thousand, nine hundred sixty".