39880240158 has 32 divisors (see below), whose sum is σ = 87285962880. Its totient is φ = 12046792160.

The previous prime is 39880240139. The next prime is 39880240181. The reversal of 39880240158 is 85104208893.

It is a congruent number.

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, 932148 + ... + 973991.

It is an arithmetic number, because the mean of its divisors is an integer number (2727686340).

Almost surely, 2^39880240158 is an apocalyptic number.

39880240158 is an abundant number, since it is smaller than the sum of its proper divisors (47405722722).

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

39880240158 is a wasteful number, since it uses less digits than its factorization.

39880240158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906472.

The product of its (nonzero) digits is 552960, while the sum is 48.

The spelling of 39880240158 in words is "thirty-nine billion, eight hundred eighty million, two hundred forty thousand, one hundred fifty-eight".