39234442872 has 64 divisors (see below), whose sum is σ = 100468368000. Its totient is φ = 12761126784.

The previous prime is 39234442861. The next prime is 39234442903. The reversal of 39234442872 is 27824443293.

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, 1032954 + ... + 1070262.

It is an arithmetic number, because the mean of its divisors is an integer number (1569818250).

Almost surely, 2^39234442872 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 39234442872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50234184000).

39234442872 is an abundant number, since it is smaller than the sum of its proper divisors (61233925128).

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

39234442872 is a wasteful number, since it uses less digits than its factorization.

39234442872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38380 (or 38376 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 48.

The spelling of 39234442872 in words is "thirty-nine billion, two hundred thirty-four million, four hundred forty-two thousand, eight hundred seventy-two".