44038720093 has 4 divisors (see below), whose sum is σ = 44163476028. Its totient is φ = 43913964160.

The previous prime is 44038720081. The next prime is 44038720127. The reversal of 44038720093 is 39002783044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9631067044 + 34407653049 = 98138^2 + 185493^2 .

It is a cyclic number.

It is not a de Polignac number, because 44038720093 - 2¹³ = 44038711901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44038720393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62377438 + ... + 62378143.

It is an arithmetic number, because the mean of its divisors is an integer number (11040869007).

Almost surely, 2^44038720093 is an apocalyptic number.

It is an amenable number.

44038720093 is a deficient number, since it is larger than the sum of its proper divisors (124755935).

44038720093 is a wasteful number, since it uses less digits than its factorization.

44038720093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124755934.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 44038720093 in words is "forty-four billion, thirty-eight million, seven hundred twenty thousand, ninety-three".