44040177926369 has 4 divisors (see below), whose sum is σ = 44061259870980. Its totient is φ = 44019095981760.

The previous prime is 44040177926341. The next prime is 44040177926399. The reversal of 44040177926369 is 96362977104044.

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

It can be written as a sum of positive squares in 2 ways, for example, as 33676201734400 + 10363976191969 = 5803120^2 + 3219313^2 .

It is a cyclic number.

It is not a de Polignac number, because 44040177926369 - 2⁴⁴ = 26447991881953 is a prime.

It is a super-2 number, since 2×44040177926369² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44040177926399) 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 3 ways as a sum of consecutive naturals, for example, 10540969172 + ... + 10540973349.

It is an arithmetic number, because the mean of its divisors is an integer number (11015314967745).

Almost surely, 2^{44040177926369} is an apocalyptic number.

It is an amenable number.

44040177926369 is a deficient number, since it is larger than the sum of its proper divisors (21081944611).

44040177926369 is a wasteful number, since it uses less digits than its factorization.

44040177926369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21081944610.

The product of its (nonzero) digits is 54867456, while the sum is 62.

The spelling of 44040177926369 in words is "forty-four trillion, forty billion, one hundred seventy-seven million, nine hundred twenty-six thousand, three hundred sixty-nine".