38440404559 has 2 divisors, whose sum is σ = 38440404560. Its totient is φ = 38440404558.

The previous prime is 38440404479. The next prime is 38440404601. The reversal of 38440404559 is 95540404483.

38440404559 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38440404559 - 2¹⁵ = 38440371791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38440434559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19220202279 + 19220202280.

It is an arithmetic number, because the mean of its divisors is an integer number (19220202280).

Almost surely, 2^38440404559 is an apocalyptic number.

38440404559 is a deficient number, since it is larger than the sum of its proper divisors (1).

38440404559 is an equidigital number, since it uses as much as digits as its factorization.

38440404559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 38440404559 in words is "thirty-eight billion, four hundred forty million, four hundred four thousand, five hundred fifty-nine".