44040000073 has 2 divisors, whose sum is σ = 44040000074. Its totient is φ = 44040000072.

The previous prime is 44040000049. The next prime is 44040000089. The reversal of 44040000073 is 37000004044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43742885904 + 297114169 = 209148^2 + 17237^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44040000073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44039999999 and 44040000053.

It is not a weakly prime, because it can be changed into another prime (44040000013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22020000036 + 22020000037.

It is an arithmetic number, because the mean of its divisors is an integer number (22020000037).

Almost surely, 2^44040000073 is an apocalyptic number.

It is an amenable number.

44040000073 is a deficient number, since it is larger than the sum of its proper divisors (1).

44040000073 is an equidigital number, since it uses as much as digits as its factorization.

44040000073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 22.

The spelling of 44040000073 in words is "forty-four billion, forty million, seventy-three", and thus it is an aban number.