1004334440 has 16 divisors (see below), whose sum is σ = 2259752580. Its totient is φ = 401733760.

The previous prime is 1004334427. The next prime is 1004334479. The reversal of 1004334440 is 444334001.

It can be written as a sum of positive squares in 2 ways, for example, as 979314436 + 25020004 = 31294^2 + 5002^2 .

It is a super-2 number, since 2×1004334440² = 2017375334740227200, which contains 22 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 3 ways as a sum of consecutive naturals, for example, 12554141 + ... + 12554220.

Almost surely, 2^1004334440 is an apocalyptic number.

1004334440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004334440 is an abundant number, since it is smaller than the sum of its proper divisors (1255418140).

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

1004334440 is a wasteful number, since it uses less digits than its factorization.

1004334440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25108372 (or 25108368 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1004334440 is about 31691.2360125004. The cubic root of 1004334440 is about 1001.4427308600.

Adding to 1004334440 its reverse (444334001), we get a palindrome (1448668441).

The spelling of 1004334440 in words is "one billion, four million, three hundred thirty-four thousand, four hundred forty".