39242018238 has 64 divisors (see below), whose sum is σ = 87524789760. Its totient is φ = 11665820672.

The previous prime is 39242018209. The next prime is 39242018269. The reversal of 39242018238 is 83281024293.

It is a self number, because there is not a number n which added to its sum of digits gives 39242018238.

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 31 ways as a sum of consecutive naturals, for example, 172858 + ... + 329186.

It is an arithmetic number, because the mean of its divisors is an integer number (1367574840).

Almost surely, 2^39242018238 is an apocalyptic number.

39242018238 is an abundant number, since it is smaller than the sum of its proper divisors (48282771522).

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

39242018238 is a wasteful number, since it uses less digits than its factorization.

39242018238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156481.

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 39242018238 in words is "thirty-nine billion, two hundred forty-two million, eighteen thousand, two hundred thirty-eight".