396911713280 has 352 divisors, whose sum is σ = 1039230523584. Its totient is φ = 144870211584.

The previous prime is 396911713241. The next prime is 396911713321. The reversal of 396911713280 is 82317119693.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 647490254 + ... + 647490866.

It is an arithmetic number, because the mean of its divisors is an integer number (2952359442).

Almost surely, 2^396911713280 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 396911713280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (519615261792).

396911713280 is an abundant number, since it is smaller than the sum of its proper divisors (642318810304).

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

396911713280 is a wasteful number, since it uses less digits than its factorization.

396911713280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 853 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 50.

The spelling of 396911713280 in words is "three hundred ninety-six billion, nine hundred eleven million, seven hundred thirteen thousand, two hundred eighty".