40431324424 has 16 divisors (see below), whose sum is σ = 77657727420. Its totient is φ = 19722597120.

The previous prime is 40431324391. The next prime is 40431324449. The reversal of 40431324424 is 42442313404.

It can be written as a sum of positive squares in 2 ways, for example, as 38723155524 + 1708168900 = 196782^2 + 41330^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61632789 + ... + 61633444.

Almost surely, 2^40431324424 is an apocalyptic number.

It is an amenable number.

40431324424 is a deficient number, since it is larger than the sum of its proper divisors (37226402996).

40431324424 is a wasteful number, since it uses less digits than its factorization.

40431324424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123266280 (or 123266276 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 40431324424 its reverse (42442313404), we get a palindrome (82873637828).

The spelling of 40431324424 in words is "forty billion, four hundred thirty-one million, three hundred twenty-four thousand, four hundred twenty-four".