399335808000 has 704 divisors, whose sum is σ = 1369949607936. Its totient is φ = 103219200000.

The previous prime is 399335807987. The next prime is 399335808013. The reversal of 399335808000 is 808533993.

It is an interprime number because it is at equal distance from previous prime (399335807987) and next prime (399335808013).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2644607925 + ... + 2644608075.

Almost surely, 2^399335808000 is an apocalyptic number.

399335808000 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 399335808000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (684974803968).

399335808000 is an abundant number, since it is smaller than the sum of its proper divisors (970613799936).

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

399335808000 is a wasteful number, since it uses less digits than its factorization.

399335808000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 399335808000 in words is "three hundred ninety-nine billion, three hundred thirty-five million, eight hundred eight thousand".