44013890306 has 4 divisors (see below), whose sum is σ = 66020835462. Its totient is φ = 22006945152.

The previous prime is 44013890299. The next prime is 44013890309. The reversal of 44013890306 is 60309831044.

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

It can be written as a sum of positive squares in only one way, i.e., 40538198281 + 3475692025 = 201341^2 + 58955^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 44013890306.

It is not an unprimeable number, because it can be changed into a prime (44013890309) 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 as a sum of consecutive naturals, namely, 11003472575 + ... + 11003472578.

Almost surely, 2^44013890306 is an apocalyptic number.

44013890306 is a deficient number, since it is larger than the sum of its proper divisors (22006945156).

44013890306 is a wasteful number, since it uses less digits than its factorization.

44013890306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22006945155.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 44013890306 in words is "forty-four billion, thirteen million, eight hundred ninety thousand, three hundred six".