40223431092 has 36 divisors (see below), whose sum is σ = 101629620960. Its totient is φ = 12376439712.

The previous prime is 40223431057. The next prime is 40223431099. The reversal of 40223431092 is 29013432204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40223431099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9914992 + ... + 9919047.

Almost surely, 2^40223431092 is an apocalyptic number.

It is an amenable number.

40223431092 is an abundant number, since it is smaller than the sum of its proper divisors (61406189868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40223431092 is a wasteful number, since it uses less digits than its factorization.

40223431092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19834072 (or 19834057 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 40223431092 its reverse (29013432204), we get a palindrome (69236863296).

The spelling of 40223431092 in words is "forty billion, two hundred twenty-three million, four hundred thirty-one thousand, ninety-two".