39141720912 has 160 divisors (see below), whose sum is σ = 117231996672. Its totient is φ = 11022630912.

The previous prime is 39141720899. The next prime is 39141720923. The reversal of 39141720912 is 21902714193.

It is a super-2 number, since 2×39141720912² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8373808 + ... + 8378480.

Almost surely, 2^39141720912 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 39141720912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58615998336).

39141720912 is an abundant number, since it is smaller than the sum of its proper divisors (78090275760).

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

39141720912 is a wasteful number, since it uses less digits than its factorization.

39141720912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5045 (or 5039 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The spelling of 39141720912 in words is "thirty-nine billion, one hundred forty-one million, seven hundred twenty thousand, nine hundred twelve".