39842021802 has 32 divisors (see below), whose sum is σ = 87094333440. Its totient is φ = 12050244720.

The previous prime is 39842021773. The next prime is 39842021851. The reversal of 39842021802 is 20812024893.

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, 542602 + ... + 611637.

It is an arithmetic number, because the mean of its divisors is an integer number (2721697920).

Almost surely, 2^39842021802 is an apocalyptic number.

39842021802 is an abundant number, since it is smaller than the sum of its proper divisors (47252311638).

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

39842021802 is a wasteful number, since it uses less digits than its factorization.

39842021802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154778.

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 39842021802 in words is "thirty-nine billion, eight hundred forty-two million, twenty-one thousand, eight hundred two".