40221433232 has 20 divisors (see below), whose sum is σ = 77932138140. Its totient is φ = 20109913728.

The previous prime is 40221433199. The next prime is 40221433249. The reversal of 40221433232 is 23233412204.

It can be written as a sum of positive squares in 2 ways, for example, as 17491649536 + 22729783696 = 132256^2 + 150764^2 .

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, 743618 + ... + 795870.

It is an arithmetic number, because the mean of its divisors is an integer number (3896606907).

Almost surely, 2^40221433232 is an apocalyptic number.

It is an amenable number.

40221433232 is a deficient number, since it is larger than the sum of its proper divisors (37710704908).

40221433232 is a wasteful number, since it uses less digits than its factorization.

40221433232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100370 (or 100364 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 40221433232 its reverse (23233412204), we get a palindrome (63454845436).

The spelling of 40221433232 in words is "forty billion, two hundred twenty-one million, four hundred thirty-three thousand, two hundred thirty-two".