40504533253 has 2 divisors, whose sum is σ = 40504533254. Its totient is φ = 40504533252.

The previous prime is 40504533103. The next prime is 40504533259. The reversal of 40504533253 is 35233540504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28245171969 + 12259361284 = 168063^2 + 110722^2 .

It is a cyclic number.

It is not a de Polignac number, because 40504533253 - 2²¹ = 40502436101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40504533259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20252266626 + 20252266627.

It is an arithmetic number, because the mean of its divisors is an integer number (20252266627).

Almost surely, 2^40504533253 is an apocalyptic number.

It is an amenable number.

40504533253 is a deficient number, since it is larger than the sum of its proper divisors (1).

40504533253 is an equidigital number, since it uses as much as digits as its factorization.

40504533253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 34.

The spelling of 40504533253 in words is "forty billion, five hundred four million, five hundred thirty-three thousand, two hundred fifty-three".