431104044 has 24 divisors (see below), whose sum is σ = 1149611008. Its totient is φ = 123172560.

The previous prime is 431104043. The next prime is 431104049. The reversal of 431104044 is 440401134.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 431104044.

It is not an unprimeable number, because it can be changed into a prime (431104043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2566012 + ... + 2566179.

Almost surely, 2^431104044 is an apocalyptic number.

It is an amenable number.

431104044 is an abundant number, since it is smaller than the sum of its proper divisors (718506964).

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

431104044 is a wasteful number, since it uses less digits than its factorization.

431104044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5132205 (or 5132203 counting only the distinct ones).

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

The square root of 431104044 is about 20763.0451523855. The cubic root of 431104044 is about 755.4296599765.

Adding to 431104044 its reverse (440401134), we get a palindrome (871505178).

The spelling of 431104044 in words is "four hundred thirty-one million, one hundred four thousand, forty-four".