40131713622221 has 4 divisors (see below), whose sum is σ = 43218768516252. Its totient is φ = 37044658728192.

The previous prime is 40131713622197. The next prime is 40131713622227. The reversal of 40131713622221 is 12222631713104.

It is a happy number.

40131713622221 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.

It can be written as a sum of positive squares in 2 ways, for example, as 12921249808996 + 27210463813225 = 3594614^2 + 5216365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40131713622221 is a prime.

It is a super-2 number, since 2×40131713622221² (a number of 28 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 (40131713622227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1543527446996 + ... + 1543527447021.

It is an arithmetic number, because the mean of its divisors is an integer number (10804692129063).

Almost surely, 2^{40131713622221} is an apocalyptic number.

It is an amenable number.

40131713622221 is a deficient number, since it is larger than the sum of its proper divisors (3087054894031).

40131713622221 is a wasteful number, since it uses less digits than its factorization.

40131713622221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3087054894030.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 40131713622221 in words is "forty trillion, one hundred thirty-one billion, seven hundred thirteen million, six hundred twenty-two thousand, two hundred twenty-one".