44344211561 has 64 divisors (see below), whose sum is σ = 53169177600. Its totient is φ = 36605177856.

The previous prime is 44344211557. The next prime is 44344211573. The reversal of 44344211561 is 16511244344.

It is not a de Polignac number, because 44344211561 - 2² = 44344211557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44344211521) 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 63 ways as a sum of consecutive naturals, for example, 60005330 + ... + 60006068.

It is an arithmetic number, because the mean of its divisors is an integer number (830768400).

Almost surely, 2^44344211561 is an apocalyptic number.

It is an amenable number.

44344211561 is a deficient number, since it is larger than the sum of its proper divisors (8824966039).

44344211561 is a wasteful number, since it uses less digits than its factorization.

44344211561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978.

The product of its digits is 46080, while the sum is 35.

The spelling of 44344211561 in words is "forty-four billion, three hundred forty-four million, two hundred eleven thousand, five hundred sixty-one".