44523020139 has 16 divisors (see below), whose sum is σ = 65417248512. Its totient is φ = 26761599648.

The previous prime is 44523020089. The next prime is 44523020141. The reversal of 44523020139 is 93102032544.

It is not a de Polignac number, because 44523020139 - 2¹⁶ = 44522954603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44523020149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13272927 + ... + 13276280.

It is an arithmetic number, because the mean of its divisors is an integer number (4088578032).

Almost surely, 2^44523020139 is an apocalyptic number.

44523020139 is a deficient number, since it is larger than the sum of its proper divisors (20894228373).

44523020139 is a wasteful number, since it uses less digits than its factorization.

44523020139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26549266.

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 44523020139 in words is "forty-four billion, five hundred twenty-three million, twenty thousand, one hundred thirty-nine".