40044000779 has 2 divisors, whose sum is σ = 40044000780. Its totient is φ = 40044000778.

The previous prime is 40044000761. The next prime is 40044000797. The reversal of 40044000779 is 97700044004.

Together with next prime (40044000797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (40044000761) and next prime (40044000797).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40044000779 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (40044000739) 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 as a sum of consecutive naturals, namely, 20022000389 + 20022000390.

It is an arithmetic number, because the mean of its divisors is an integer number (20022000390).

Almost surely, 2^40044000779 is an apocalyptic number.

40044000779 is a deficient number, since it is larger than the sum of its proper divisors (1).

40044000779 is an equidigital number, since it uses as much as digits as its factorization.

40044000779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 40044000779 in words is "forty billion, forty-four million, seven hundred seventy-nine", and thus it is an aban number.