397550223360 has 408 divisors, whose sum is σ = 1438329114144. Its totient is φ = 101386813440.

The previous prime is 397550223359. The next prime is 397550223407. The reversal of 397550223360 is 63322055793.

397550223360 is a `hidden beast` number, since 3 + 9 + 7 + 550 + 2 + 2 + 33 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67826830 + ... + 67832690.

Almost surely, 2^397550223360 is an apocalyptic number.

397550223360 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 397550223360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (719164557072).

397550223360 is an abundant number, since it is smaller than the sum of its proper divisors (1040778890784).

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

397550223360 is an equidigital number, since it uses as much as digits as its factorization.

397550223360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5927 (or 5894 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 45.

The spelling of 397550223360 in words is "three hundred ninety-seven billion, five hundred fifty million, two hundred twenty-three thousand, three hundred sixty".