40310240221 has 8 divisors (see below), whose sum is σ = 41295855744. Its totient is φ = 39326814240.

The previous prime is 40310240203. The next prime is 40310240281. The reversal of 40310240221 is 12204201304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40310240221 - 2⁷ = 40310240093 is a prime.

It is a super-2 number, since 2×40310240221² (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 (40310240281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510085 + ... + 583786.

It is an arithmetic number, because the mean of its divisors is an integer number (5161981968).

Almost surely, 2^40310240221 is an apocalyptic number.

It is an amenable number.

40310240221 is a deficient number, since it is larger than the sum of its proper divisors (985615523).

40310240221 is a wasteful number, since it uses less digits than its factorization.

40310240221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094771.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 40310240221 its reverse (12204201304), we get a palindrome (52514441525).

The spelling of 40310240221 in words is "forty billion, three hundred ten million, two hundred forty thousand, two hundred twenty-one".