44542847739 has 16 divisors (see below), whose sum is σ = 65043014400. Its totient is φ = 26946388896.

The previous prime is 44542847737. The next prime is 44542847749. The reversal of 44542847739 is 93774824544.

It is not a de Polignac number, because 44542847739 - 2¹ = 44542847737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44542847737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9676719 + ... + 9681320.

It is an arithmetic number, because the mean of its divisors is an integer number (4065188400).

Almost surely, 2^44542847739 is an apocalyptic number.

44542847739 is a deficient number, since it is larger than the sum of its proper divisors (20500166661).

44542847739 is a wasteful number, since it uses less digits than its factorization.

44542847739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19358114.

The product of its digits is 27095040, while the sum is 57.

The spelling of 44542847739 in words is "forty-four billion, five hundred forty-two million, eight hundred forty-seven thousand, seven hundred thirty-nine".