1040431304 has 16 divisors (see below), whose sum is σ = 2128155120. Its totient is φ = 472923280.

The previous prime is 1040431303. The next prime is 1040431313. The reversal of 1040431304 is 4031340401.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1040431303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5911454 + ... + 5911629.

It is an arithmetic number, because the mean of its divisors is an integer number (133009695).

Almost surely, 2^1040431304 is an apocalyptic number.

It is an amenable number.

1040431304 is an abundant number, since it is smaller than the sum of its proper divisors (1087723816).

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

1040431304 is a wasteful number, since it uses less digits than its factorization.

1040431304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11823100 (or 11823096 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1040431304 is about 32255.7173846746. The cubic root of 1040431304 is about 1013.2994420606.

Adding to 1040431304 its reverse (4031340401), we get a palindrome (5071771705).

The spelling of 1040431304 in words is "one billion, forty million, four hundred thirty-one thousand, three hundred four".