40323220424 has 16 divisors (see below), whose sum is σ = 75616289100. Its totient is φ = 20158876672.

The previous prime is 40323220417. The next prime is 40323220447. The reversal of 40323220424 is 42402232304.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40193032324 + 130188100 = 200482^2 + 11410^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40323220393 and 40323220402.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 278309 + ... + 397620.

Almost surely, 2^40323220424 is an apocalyptic number.

It is an amenable number.

40323220424 is a deficient number, since it is larger than the sum of its proper divisors (35293068676).

40323220424 is a wasteful number, since it uses less digits than its factorization.

40323220424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683392 (or 683388 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 40323220424 its reverse (42402232304), we get a palindrome (82725452728).

The spelling of 40323220424 in words is "forty billion, three hundred twenty-three million, two hundred twenty thousand, four hundred twenty-four".