397764539200 has 336 divisors, whose sum is σ = 1178194305024. Its totient is φ = 129218918400.

The previous prime is 397764539191. The next prime is 397764539213. The reversal of 397764539200 is 2935467793.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

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, 27555985 + ... + 27570415.

Almost surely, 2^397764539200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397764539200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (589097152512).

397764539200 is an abundant number, since it is smaller than the sum of its proper divisors (780429765824).

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

397764539200 is a wasteful number, since it uses less digits than its factorization.

397764539200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14590 (or 14575 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 55.

The spelling of 397764539200 in words is "three hundred ninety-seven billion, seven hundred sixty-four million, five hundred thirty-nine thousand, two hundred".