399245759700 has 72 divisors (see below), whose sum is σ = 1155372697248. Its totient is φ = 106445109120.

The previous prime is 399245759677. The next prime is 399245759749. The reversal of 399245759700 is 7957542993.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1471894 + ... + 1721906.

Almost surely, 2^399245759700 is an apocalyptic number.

399245759700 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

399245759700 is an abundant number, since it is smaller than the sum of its proper divisors (756126937548).

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

399245759700 is a wasteful number, since it uses less digits than its factorization.

399245759700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255353 (or 255346 counting only the distinct ones).

The product of its (nonzero) digits is 21432600, while the sum is 60.

The spelling of 399245759700 in words is "three hundred ninety-nine billion, two hundred forty-five million, seven hundred fifty-nine thousand, seven hundred".