40255613033 has 4 divisors (see below), whose sum is σ = 40256640468. Its totient is φ = 40254585600.

The previous prime is 40255613009. The next prime is 40255613039. The reversal of 40255613033 is 33031655204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29087984704 + 11167628329 = 170552^2 + 105677^2 .

It is a cyclic number.

It is not a de Polignac number, because 40255613033 - 2⁸ = 40255612777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40255613039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452516 + ... + 534117.

It is an arithmetic number, because the mean of its divisors is an integer number (10064160117).

Almost surely, 2^40255613033 is an apocalyptic number.

It is an amenable number.

40255613033 is a deficient number, since it is larger than the sum of its proper divisors (1027435).

40255613033 is an equidigital number, since it uses as much as digits as its factorization.

40255613033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027434.

The product of its (nonzero) digits is 32400, while the sum is 32.

The spelling of 40255613033 in words is "forty billion, two hundred fifty-five million, six hundred thirteen thousand, thirty-three".