39149926944 has 96 divisors (see below), whose sum is σ = 103772281536. Its totient is φ = 12923089920.

The previous prime is 39149926927. The next prime is 39149926967. The reversal of 39149926944 is 44962994193.

It is a tau number, because it is divible by the number of its divisors (96).

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, 4622874 + ... + 4631334.

It is an arithmetic number, because the mean of its divisors is an integer number (1080961266).

Almost surely, 2^39149926944 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 39149926944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51886140768).

39149926944 is an abundant number, since it is smaller than the sum of its proper divisors (64622354592).

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

39149926944 is a wasteful number, since it uses less digits than its factorization.

39149926944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8938 (or 8930 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 60.

The spelling of 39149926944 in words is "thirty-nine billion, one hundred forty-nine million, nine hundred twenty-six thousand, nine hundred forty-four".