399807238002 has 16 divisors (see below), whose sum is σ = 803632641600. Its totient is φ = 132599385072.

The previous prime is 399807237953. The next prime is 399807238109. The reversal of 399807238002 is 200832708993.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167422273 + ... + 167424660.

It is an arithmetic number, because the mean of its divisors is an integer number (50227040100).

Almost surely, 2^399807238002 is an apocalyptic number.

399807238002 is an abundant number, since it is smaller than the sum of its proper divisors (403825403598).

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

399807238002 is a wasteful number, since it uses less digits than its factorization.

399807238002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334847137.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 399807238002 in words is "three hundred ninety-nine billion, eight hundred seven million, two hundred thirty-eight thousand, two".