40905253784033 has 2 divisors, whose sum is σ = 40905253784034. Its totient is φ = 40905253784032.

The previous prime is 40905253784029. The next prime is 40905253784113. The reversal of 40905253784033 is 33048735250904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37913488556449 + 2991765227584 = 6157393^2 + 1729672^2 .

It is a cyclic number.

It is not a de Polignac number, because 40905253784033 - 2² = 40905253784029 is a prime.

It is a super-2 number, since 2×40905253784033² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40905253784023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20452626892016 + 20452626892017.

It is an arithmetic number, because the mean of its divisors is an integer number (20452626892017).

Almost surely, 2^{40905253784033} is an apocalyptic number.

It is an amenable number.

40905253784033 is a deficient number, since it is larger than the sum of its proper divisors (1).

40905253784033 is an equidigital number, since it uses as much as digits as its factorization.

40905253784033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10886400, while the sum is 53.

The spelling of 40905253784033 in words is "forty trillion, nine hundred five billion, two hundred fifty-three million, seven hundred eighty-four thousand, thirty-three".