40402033405057 has 2 divisors, whose sum is σ = 40402033405058. Its totient is φ = 40402033405056.

The previous prime is 40402033405007. The next prime is 40402033405087. The reversal of 40402033405057 is 75050433020404.

40402033405057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40215332501136 + 186700903921 = 6341556^2 + 432089^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40402033405057 is a prime.

It is not a weakly prime, because it can be changed into another prime (40402033405007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20201016702528 + 20201016702529.

It is an arithmetic number, because the mean of its divisors is an integer number (20201016702529).

Almost surely, 2^{40402033405057} is an apocalyptic number.

It is an amenable number.

40402033405057 is a deficient number, since it is larger than the sum of its proper divisors (1).

40402033405057 is an equidigital number, since it uses as much as digits as its factorization.

40402033405057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 37.

The spelling of 40402033405057 in words is "forty trillion, four hundred two billion, thirty-three million, four hundred five thousand, fifty-seven".