40233132221 has 4 divisors (see below), whose sum is σ = 40233634944. Its totient is φ = 40232629500.

The previous prime is 40233132211. The next prime is 40233132241. The reversal of 40233132221 is 12223133204.

40233132221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40233132221 - 2¹⁸ = 40232870077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40233132211) 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, 101555 + ... + 301296.

It is an arithmetic number, because the mean of its divisors is an integer number (10058408736).

Almost surely, 2^40233132221 is an apocalyptic number.

It is an amenable number.

40233132221 is a deficient number, since it is larger than the sum of its proper divisors (502723).

40233132221 is an equidigital number, since it uses as much as digits as its factorization.

40233132221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502722.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 40233132221 its reverse (12223133204), we get a palindrome (52456265425).

The spelling of 40233132221 in words is "forty billion, two hundred thirty-three million, one hundred thirty-two thousand, two hundred twenty-one".