398483788560 has 960 divisors, whose sum is σ = 1540865949696. Its totient is φ = 84320870400.

The previous prime is 398483788559. The next prime is 398483788589. The reversal of 398483788560 is 65887384893.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 650054814 + ... + 650055426.

Almost surely, 2^398483788560 is an apocalyptic number.

398483788560 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 398483788560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (770432974848).

398483788560 is an abundant number, since it is smaller than the sum of its proper divisors (1142382161136).

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

398483788560 is a wasteful number, since it uses less digits than its factorization.

398483788560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 278691840, while the sum is 69.

The spelling of 398483788560 in words is "three hundred ninety-eight billion, four hundred eighty-three million, seven hundred eighty-eight thousand, five hundred sixty".