44405013 has 4 divisors (see below), whose sum is σ = 59206688. Its totient is φ = 29603340.

The previous prime is 44404981. The next prime is 44405021. The reversal of 44405013 is 31050444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 44405013 - 2⁵ = 44404981 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 (44405063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7400833 + ... + 7400838.

It is an arithmetic number, because the mean of its divisors is an integer number (14801672).

Almost surely, 2^44405013 is an apocalyptic number.

It is an amenable number.

44405013 is a deficient number, since it is larger than the sum of its proper divisors (14801675).

44405013 is a wasteful number, since it uses less digits than its factorization.

44405013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14801674.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 44405013 is about 6663.7086520946. The cubic root of 44405013 is about 354.1147366598.

Adding to 44405013 its reverse (31050444), we get a palindrome (75455457).

It can be divided in two parts, 4440 and 5013, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 44405013 in words is "forty-four million, four hundred five thousand, thirteen".