397374432000 has 864 divisors, whose sum is σ = 1633859136000. Its totient is φ = 83817676800.

The previous prime is 397374431983. The next prime is 397374432089. The reversal of 397374432000 is 234473793.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 113566251 + ... + 113569749.

Almost surely, 2^397374432000 is an apocalyptic number.

397374432000 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 397374432000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (816929568000).

397374432000 is an abundant number, since it is smaller than the sum of its proper divisors (1236484704000).

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

397374432000 is a wasteful number, since it uses less digits than its factorization.

397374432000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3566 (or 3529 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 42.

The spelling of 397374432000 in words is "three hundred ninety-seven billion, three hundred seventy-four million, four hundred thirty-two thousand".