40531036033 has 4 divisors (see below), whose sum is σ = 40669367508. Its totient is φ = 40392704560.

The previous prime is 40531036027. The next prime is 40531036109. The reversal of 40531036033 is 33063013504.

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 35911387009 + 4619649024 = 189503^2 + 67968^2 .

It is a cyclic number.

It is not a de Polignac number, because 40531036033 - 2⁵ = 40531036001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40531035992 and 40531036010.

It is not an unprimeable number, because it can be changed into a prime (40531936033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69165298 + ... + 69165883.

It is an arithmetic number, because the mean of its divisors is an integer number (10167341877).

Almost surely, 2^40531036033 is an apocalyptic number.

It is an amenable number.

40531036033 is a deficient number, since it is larger than the sum of its proper divisors (138331475).

40531036033 is a wasteful number, since it uses less digits than its factorization.

40531036033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138331474.

The product of its (nonzero) digits is 9720, while the sum is 28.

Adding to 40531036033 its reverse (33063013504), we get a palindrome (73594049537).

The spelling of 40531036033 in words is "forty billion, five hundred thirty-one million, thirty-six thousand, thirty-three".