39372379136 has 66 divisors (see below), whose sum is σ = 79614613758. Its totient is φ = 19459686400.

The previous prime is 39372379103. The next prime is 39372379141. The reversal of 39372379136 is 63197327393.

It can be written as a sum of positive squares in 3 ways, for example, as 200052736 + 39172326400 = 14144^2 + 197920^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63812300 + ... + 63812916.

Almost surely, 2^39372379136 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 39372379136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39807306879).

39372379136 is an abundant number, since it is smaller than the sum of its proper divisors (40242234622).

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

39372379136 is an frugal number, since it uses more digits than its factorization.

39372379136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355 (or 720 counting only the distinct ones).

The product of its digits is 3857868, while the sum is 53.

The spelling of 39372379136 in words is "thirty-nine billion, three hundred seventy-two million, three hundred seventy-nine thousand, one hundred thirty-six".