431140044 has 48 divisors (see below), whose sum is σ = 1022938112. Its totient is φ = 141305472.

The previous prime is 431140027. The next prime is 431140063. The reversal of 431140044 is 440041134.

It is a self number, because there is not a number n which added to its sum of digits gives 431140044.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405057 + ... + 406119.

Almost surely, 2^431140044 is an apocalyptic number.

It is an amenable number.

431140044 is an abundant number, since it is smaller than the sum of its proper divisors (591798068).

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

431140044 is a wasteful number, since it uses less digits than its factorization.

431140044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606 (or 1604 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 431140044 is about 20763.9120591472. The cubic root of 431140044 is about 755.4506871594.

Adding to 431140044 its reverse (440041134), we get a palindrome (871181178).

The spelling of 431140044 in words is "four hundred thirty-one million, one hundred forty thousand, forty-four".