4000431332 has 24 divisors (see below), whose sum is σ = 7475784960. Its totient is φ = 1868942880.

The previous prime is 4000431329. The next prime is 4000431343. The reversal of 4000431332 is 2331340004.

It is a super-3 number, since 3×4000431332³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552638 + ... + 559829.

It is an arithmetic number, because the mean of its divisors is an integer number (311491040).

Almost surely, 2^4000431332 is an apocalyptic number.

It is an amenable number.

4000431332 is a deficient number, since it is larger than the sum of its proper divisors (3475353628).

4000431332 is a wasteful number, since it uses less digits than its factorization.

4000431332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112531 (or 1112529 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 4000431332 is about 63248.9630903148. The cubic root of 4000431332 is about 1587.4581079900.

Adding to 4000431332 its reverse (2331340004), we get a palindrome (6331771336).

The spelling of 4000431332 in words is "four billion, four hundred thirty-one thousand, three hundred thirty-two".