44441145132013 has 32 divisors (see below), whose sum is σ = 53578801817600. Its totient is φ = 36009480999744.

The previous prime is 44441145131989. The next prime is 44441145132023. The reversal of 44441145132013 is 31023154114444.

44441145132013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-44441145132013 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 (44441145132023) 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 31 ways as a sum of consecutive naturals, for example, 121398256 + ... + 121763782.

It is an arithmetic number, because the mean of its divisors is an integer number (1674337556800).

Almost surely, 2^{44441145132013} is an apocalyptic number.

It is an amenable number.

44441145132013 is a deficient number, since it is larger than the sum of its proper divisors (9137656685587).

44441145132013 is a wasteful number, since it uses less digits than its factorization.

44441145132013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367529.

The product of its (nonzero) digits is 92160, while the sum is 37.

Adding to 44441145132013 its reverse (31023154114444), we get a palindrome (75464299246457).

The spelling of 44441145132013 in words is "forty-four trillion, four hundred forty-one billion, one hundred forty-five million, one hundred thirty-two thousand, thirteen".