40113414221 has 4 divisors (see below), whose sum is σ = 40114317852. Its totient is φ = 40112510592.

The previous prime is 40113414199. The next prime is 40113414259. The reversal of 40113414221 is 12241431104.

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 14098950121 + 26014464100 = 118739^2 + 161290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40113414221 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 (40113314221) 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, 381590 + ... + 475223.

It is an arithmetic number, because the mean of its divisors is an integer number (10028579463).

Almost surely, 2^40113414221 is an apocalyptic number.

It is an amenable number.

40113414221 is a deficient number, since it is larger than the sum of its proper divisors (903631).

40113414221 is an equidigital number, since it uses as much as digits as its factorization.

40113414221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903630.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 40113414221 its reverse (12241431104), we get a palindrome (52354845325).

The spelling of 40113414221 in words is "forty billion, one hundred thirteen million, four hundred fourteen thousand, two hundred twenty-one".