8400044080039 has 2 divisors, whose sum is σ = 8400044080040. Its totient is φ = 8400044080038.

The previous prime is 8400044080003. The next prime is 8400044080073. The reversal of 8400044080039 is 9300804400048.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8400044080039 - 2¹¹ = 8400044077991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8400044079983 and 8400044080010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8400044000039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4200022040019 + 4200022040020.

It is an arithmetic number, because the mean of its divisors is an integer number (4200022040020).

Almost surely, 2^{8400044080039} is an apocalyptic number.

8400044080039 is a deficient number, since it is larger than the sum of its proper divisors (1).

8400044080039 is an equidigital number, since it uses as much as digits as its factorization.

8400044080039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 8400044080039 in words is "eight trillion, four hundred billion, forty-four million, eighty thousand, thirty-nine".