40333430221 has 12 divisors (see below), whose sum is σ = 46924345980. Its totient is φ = 34567189440.

The previous prime is 40333430197. The next prime is 40333430227. The reversal of 40333430221 is 12203433304.

40333430221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7522092900 + 32811337321 = 86730^2 + 181139^2 .

It is not a de Polignac number, because 40333430221 - 2²³ = 40325041613 is a prime.

It is a super-2 number, since 2×40333430221² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40333430227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 381225 + ... + 475393.

It is an arithmetic number, because the mean of its divisors is an integer number (3910362165).

Almost surely, 2^40333430221 is an apocalyptic number.

It is an amenable number.

40333430221 is a deficient number, since it is larger than the sum of its proper divisors (6590915759).

40333430221 is an equidigital number, since it uses as much as digits as its factorization.

40333430221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102924 (or 102917 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 40333430221 its reverse (12203433304), we get a palindrome (52536863525).

The spelling of 40333430221 in words is "forty billion, three hundred thirty-three million, four hundred thirty thousand, two hundred twenty-one".