44890365729 has 16 divisors (see below), whose sum is σ = 66887642304. Its totient is φ = 26542713600.

The previous prime is 44890365719. The next prime is 44890365731. The reversal of 44890365729 is 92756309844.

It is not a de Polignac number, because 44890365729 - 2¹³ = 44890357537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44890365719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16587844 + ... + 16590549.

It is an arithmetic number, because the mean of its divisors is an integer number (4180477644).

Almost surely, 2^44890365729 is an apocalyptic number.

It is an amenable number.

44890365729 is a deficient number, since it is larger than the sum of its proper divisors (21997276575).

44890365729 is a wasteful number, since it uses less digits than its factorization.

44890365729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33178448.

The product of its (nonzero) digits is 13063680, while the sum is 57.

The spelling of 44890365729 in words is "forty-four billion, eight hundred ninety million, three hundred sixty-five thousand, seven hundred twenty-nine".