399240056002 has 32 divisors (see below), whose sum is σ = 614350961280. Its totient is φ = 194522549760.

The previous prime is 399240055967. The next prime is 399240056093. The reversal of 399240056002 is 200650042993.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34061899 + ... + 34073617.

It is an arithmetic number, because the mean of its divisors is an integer number (19198467540).

Almost surely, 2^399240056002 is an apocalyptic number.

399240056002 is a deficient number, since it is larger than the sum of its proper divisors (215110905278).

399240056002 is a wasteful number, since it uses less digits than its factorization.

399240056002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14506.

The product of its (nonzero) digits is 116640, while the sum is 40.

Adding to 399240056002 its reverse (200650042993), we get a palindrome (599890098995).

The spelling of 399240056002 in words is "three hundred ninety-nine billion, two hundred forty million, fifty-six thousand, two".