39864224002 has 4 divisors (see below), whose sum is σ = 59796336006. Its totient is φ = 19932112000.

The previous prime is 39864223961. The next prime is 39864224017. The reversal of 39864224002 is 20042246893.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38975051241 + 889172761 = 197421^2 + 29819^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9966055999 + ... + 9966056002.

Almost surely, 2^39864224002 is an apocalyptic number.

39864224002 is a deficient number, since it is larger than the sum of its proper divisors (19932112004).

39864224002 is a wasteful number, since it uses less digits than its factorization.

39864224002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19932112003.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 39864224002 in words is "thirty-nine billion, eight hundred sixty-four million, two hundred twenty-four thousand, two".