1244424004 has 12 divisors (see below), whose sum is σ = 2305844604. Its totient is φ = 585611264.

The previous prime is 1244423977. The next prime is 1244424023. The reversal of 1244424004 is 4004244421.

It can be written as a sum of positive squares in 2 ways, for example, as 1014295104 + 230128900 = 31848^2 + 15170^2 .

It is a super-2 number, since 2×1244424004² = 3097182203462784032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1244424004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9150109 + ... + 9150244.

It is an arithmetic number, because the mean of its divisors is an integer number (192153717).

Almost surely, 2^1244424004 is an apocalyptic number.

It is an amenable number.

1244424004 is a deficient number, since it is larger than the sum of its proper divisors (1061420600).

1244424004 is a wasteful number, since it uses less digits than its factorization.

1244424004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18300374 (or 18300372 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 1244424004 is about 35276.3944302702. The cubic root of 1244424004 is about 1075.6132081748.

Adding to 1244424004 its reverse (4004244421), we get a palindrome (5248668425).

The spelling of 1244424004 in words is "one billion, two hundred forty-four million, four hundred twenty-four thousand, four".