40168844072033 has 2 divisors, whose sum is σ = 40168844072034. Its totient is φ = 40168844072032.

The previous prime is 40168844071963. The next prime is 40168844072089. The reversal of 40168844072033 is 33027044886104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20964054137104 + 19204789934929 = 4578652^2 + 4382327^2 .

It is a cyclic number.

It is not a de Polignac number, because 40168844072033 - 2¹⁰ = 40168844071009 is a prime.

It is a super-2 number, since 2×40168844072033² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40168844072333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20084422036016 + 20084422036017.

It is an arithmetic number, because the mean of its divisors is an integer number (20084422036017).

Almost surely, 2^{40168844072033} is an apocalyptic number.

It is an amenable number.

40168844072033 is a deficient number, since it is larger than the sum of its proper divisors (1).

40168844072033 is an equidigital number, since it uses as much as digits as its factorization.

40168844072033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3096576, while the sum is 50.

The spelling of 40168844072033 in words is "forty trillion, one hundred sixty-eight billion, eight hundred forty-four million, seventy-two thousand, thirty-three".