39042771936 has 144 divisors (see below), whose sum is σ = 123066155520. Its totient is φ = 10795196160.

The previous prime is 39042771857. The next prime is 39042771953. The reversal of 39042771936 is 63917724093.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11955 + ... + 279693.

It is an arithmetic number, because the mean of its divisors is an integer number (854626080).

Almost surely, 2^39042771936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39042771936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61533077760).

39042771936 is an abundant number, since it is smaller than the sum of its proper divisors (84023383584).

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

39042771936 is a wasteful number, since it uses less digits than its factorization.

39042771936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267797 (or 267782 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 51.

The spelling of 39042771936 in words is "thirty-nine billion, forty-two million, seven hundred seventy-one thousand, nine hundred thirty-six".