39068813844 has 36 divisors (see below), whose sum is σ = 99258603444. Its totient is φ = 12956829312.

The previous prime is 39068813803. The next prime is 39068813879. The reversal of 39068813844 is 44831886093.

39068813844 is a `hidden beast` number, since 390 + 6 + 88 + 138 + 44 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 34768077444 + 4300736400 = 186462^2 + 65580^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2747337 + ... + 2761520.

It is an arithmetic number, because the mean of its divisors is an integer number (2757183429).

Almost surely, 2^39068813844 is an apocalyptic number.

It is an amenable number.

39068813844 is an abundant number, since it is smaller than the sum of its proper divisors (60189789600).

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

39068813844 is a wasteful number, since it uses less digits than its factorization.

39068813844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5509064 (or 5509059 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 39068813844 in words is "thirty-nine billion, sixty-eight million, eight hundred thirteen thousand, eight hundred forty-four".