397337472000 has 792 divisors, whose sum is σ = 1665840084480. Its totient is φ = 90807091200.

The previous prime is 397337471981. The next prime is 397337472001. The reversal of 397337472000 is 274733793.

397337472000 is a `hidden beast` number, since 3 + 9 + 73 + 374 + 7 + 200 + 0 = 666.

It is a super-3 number, since 3×397337472000³ (a number of 36 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (397337472001) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 56444481 + ... + 56451519.

It is an arithmetic number, because the mean of its divisors is an integer number (2103333440).

Almost surely, 2^397337472000 is an apocalyptic number.

397337472000 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 397337472000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (832920042240).

397337472000 is an abundant number, since it is smaller than the sum of its proper divisors (1268502612480).

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

397337472000 is a wasteful number, since it uses less digits than its factorization.

397337472000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7094 (or 7056 counting only the distinct ones).

The product of its (nonzero) digits is 666792, while the sum is 45.

The spelling of 397337472000 in words is "three hundred ninety-seven billion, three hundred thirty-seven million, four hundred seventy-two thousand".