40224442031 has 2 divisors, whose sum is σ = 40224442032. Its totient is φ = 40224442030.

The previous prime is 40224442019. The next prime is 40224442091. The reversal of 40224442031 is 13024442204.

It is a happy number.

40224442031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40224442031 - 2¹⁸ = 40224179887 is a prime.

It is a super-2 number, since 2×40224442031² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40224442001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20112221015 + 20112221016.

It is an arithmetic number, because the mean of its divisors is an integer number (20112221016).

Almost surely, 2^40224442031 is an apocalyptic number.

40224442031 is a deficient number, since it is larger than the sum of its proper divisors (1).

40224442031 is an equidigital number, since it uses as much as digits as its factorization.

40224442031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 40224442031 its reverse (13024442204), we get a palindrome (53248884235).

The spelling of 40224442031 in words is "forty billion, two hundred twenty-four million, four hundred forty-two thousand, thirty-one".