40045032233 has 4 divisors (see below), whose sum is σ = 40046855940. Its totient is φ = 40043208528.

The previous prime is 40045032229. The next prime is 40045032241. The reversal of 40045032233 is 33223054004.

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 5830391449 + 34214640784 = 76357^2 + 184972^2 .

It is a cyclic number.

It is not a de Polignac number, because 40045032233 - 2² = 40045032229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40045332233) 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, 878510 + ... + 922967.

It is an arithmetic number, because the mean of its divisors is an integer number (10011713985).

Almost surely, 2^40045032233 is an apocalyptic number.

It is an amenable number.

40045032233 is a deficient number, since it is larger than the sum of its proper divisors (1823707).

40045032233 is a wasteful number, since it uses less digits than its factorization.

40045032233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823706.

The product of its (nonzero) digits is 8640, while the sum is 26.

Adding to 40045032233 its reverse (33223054004), we get a palindrome (73268086237).

The spelling of 40045032233 in words is "forty billion, forty-five million, thirty-two thousand, two hundred thirty-three".