40165713223579 has 2 divisors, whose sum is σ = 40165713223580. Its totient is φ = 40165713223578.

The previous prime is 40165713223513. The next prime is 40165713223583. The reversal of 40165713223579 is 97532231756104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40165713223579 - 2⁷ = 40165713223451 is a prime.

It is a super-2 number, since 2×40165713223579² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40165713223079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20082856611789 + 20082856611790.

It is an arithmetic number, because the mean of its divisors is an integer number (20082856611790).

Almost surely, 2^{40165713223579} is an apocalyptic number.

40165713223579 is a deficient number, since it is larger than the sum of its proper divisors (1).

40165713223579 is an equidigital number, since it uses as much as digits as its factorization.

40165713223579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9525600, while the sum is 55.

The spelling of 40165713223579 in words is "forty trillion, one hundred sixty-five billion, seven hundred thirteen million, two hundred twenty-three thousand, five hundred seventy-nine".