1404323444 has 12 divisors (see below), whose sum is σ = 2458352484. Its totient is φ = 701937024.

The previous prime is 1404323423. The next prime is 1404323447. The reversal of 1404323444 is 4443234041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1036067344 + 368256100 = 32188^2 + 19190^2 .

It is a super-2 number, since 2×1404323444² = 3944248670736042272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404323447) 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, 41699 + ... + 67434.

It is an arithmetic number, because the mean of its divisors is an integer number (204862707).

Almost surely, 2^1404323444 is an apocalyptic number.

It is an amenable number.

1404323444 is a deficient number, since it is larger than the sum of its proper divisors (1054029040).

1404323444 is a wasteful number, since it uses less digits than its factorization.

1404323444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112354 (or 112352 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 1404323444 is about 37474.3037827256. The cubic root of 1404323444 is about 1119.8393275041.

Adding to 1404323444 its reverse (4443234041), we get a palindrome (5847557485).

The spelling of 1404323444 in words is "one billion, four hundred four million, three hundred twenty-three thousand, four hundred forty-four".