38444268735 has 128 divisors (see below), whose sum is σ = 75291033600. Its totient is φ = 18525386880.

The previous prime is 38444268721. The next prime is 38444268743. The reversal of 38444268735 is 53786244483.

It is not a de Polignac number, because 38444268735 - 2⁴ = 38444268719 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 26134050 + ... + 26135520.

It is an arithmetic number, because the mean of its divisors is an integer number (588211200).

Almost surely, 2^38444268735 is an apocalyptic number.

38444268735 is a deficient number, since it is larger than the sum of its proper divisors (36846764865).

38444268735 is a wasteful number, since it uses less digits than its factorization.

38444268735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970 (or 1964 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 54.

The spelling of 38444268735 in words is "thirty-eight billion, four hundred forty-four million, two hundred sixty-eight thousand, seven hundred thirty-five".