8044040884457 has 2 divisors, whose sum is σ = 8044040884458. Its totient is φ = 8044040884456.

The previous prime is 8044040884433. The next prime is 8044040884657. The reversal of 8044040884457 is 7544880404408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5244539689216 + 2799501195241 = 2290096^2 + 1673171^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8044040884457 is a prime.

It is not a weakly prime, because it can be changed into another prime (8044040884427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4022020442228 + 4022020442229.

It is an arithmetic number, because the mean of its divisors is an integer number (4022020442229).

Almost surely, 2^{8044040884457} is an apocalyptic number.

It is an amenable number.

8044040884457 is a deficient number, since it is larger than the sum of its proper divisors (1).

8044040884457 is an equidigital number, since it uses as much as digits as its factorization.

8044040884457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18350080, while the sum is 56.

The spelling of 8044040884457 in words is "eight trillion, forty-four billion, forty million, eight hundred eighty-four thousand, four hundred fifty-seven".