397508205120 has 672 divisors, whose sum is σ = 1496088854400. Its totient is φ = 88639930368.

The previous prime is 397508205091. The next prime is 397508205187. The reversal of 397508205120 is 21502805793.

It is a happy number.

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, 125434896 + ... + 125438064.

It is an arithmetic number, because the mean of its divisors is an integer number (2226322700).

Almost surely, 2^397508205120 is an apocalyptic number.

397508205120 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 397508205120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (748044427200).

397508205120 is an abundant number, since it is smaller than the sum of its proper divisors (1098580649280).

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

397508205120 is a wasteful number, since it uses less digits than its factorization.

397508205120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3267 (or 3234 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 397508205120 in words is "three hundred ninety-seven billion, five hundred eight million, two hundred five thousand, one hundred twenty".