40044717407 has 2 divisors, whose sum is σ = 40044717408. Its totient is φ = 40044717406.

The previous prime is 40044717247. The next prime is 40044717487. The reversal of 40044717407 is 70471744004.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40044717407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40044717487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20022358703 + 20022358704.

It is an arithmetic number, because the mean of its divisors is an integer number (20022358704).

Almost surely, 2^40044717407 is an apocalyptic number.

40044717407 is a deficient number, since it is larger than the sum of its proper divisors (1).

40044717407 is an equidigital number, since it uses as much as digits as its factorization.

40044717407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87808, while the sum is 38.

The spelling of 40044717407 in words is "forty billion, forty-four million, seven hundred seventeen thousand, four hundred seven".