40071790079 has 2 divisors, whose sum is σ = 40071790080. Its totient is φ = 40071790078.

The previous prime is 40071790069. The next prime is 40071790111. The reversal of 40071790079 is 97009717004.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40071790079 - 2¹² = 40071785983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40071790069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20035895039 + 20035895040.

It is an arithmetic number, because the mean of its divisors is an integer number (20035895040).

Almost surely, 2^40071790079 is an apocalyptic number.

40071790079 is a deficient number, since it is larger than the sum of its proper divisors (1).

40071790079 is an equidigital number, since it uses as much as digits as its factorization.

40071790079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 111132, while the sum is 44.

The spelling of 40071790079 in words is "forty billion, seventy-one million, seven hundred ninety thousand, seventy-nine".