1244430404 has 12 divisors (see below), whose sum is σ = 2488860864. Its totient is φ = 533327304.

The previous prime is 1244430391. The next prime is 1244430409. The reversal of 1244430404 is 4040344421.

It is a happy number.

1244430404 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1244430409) 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, 22221944 + ... + 22221999.

It is an arithmetic number, because the mean of its divisors is an integer number (207405072).

Almost surely, 2^1244430404 is an apocalyptic number.

1244430404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1244430404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1244430404 is a wasteful number, since it uses less digits than its factorization.

1244430404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44443954 (or 44443952 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 1244430404 is about 35276.4851423721. The cubic root of 1244430404 is about 1075.6150521103.

Adding to 1244430404 its reverse (4040344421), we get a palindrome (5284774825).

The spelling of 1244430404 in words is "one billion, two hundred forty-four million, four hundred thirty thousand, four hundred four".