39444742902 has 16 divisors (see below), whose sum is σ = 80066941632. Its totient is φ = 12952005000.

The previous prime is 39444742879. The next prime is 39444742933. The reversal of 39444742902 is 20924744493.

39444742902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49060224 + ... + 49061027.

It is an arithmetic number, because the mean of its divisors is an integer number (5004183852).

Almost surely, 2^39444742902 is an apocalyptic number.

39444742902 is an abundant number, since it is smaller than the sum of its proper divisors (40622198730).

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

39444742902 is a wasteful number, since it uses less digits than its factorization.

39444742902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98121323.

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 39444742902 in words is "thirty-nine billion, four hundred forty-four million, seven hundred forty-two thousand, nine hundred two".