1244423004 has 48 divisors (see below), whose sum is σ = 3305352960. Its totient is φ = 360701440.

The previous prime is 1244423003. The next prime is 1244423029. The reversal of 1244423004 is 4003244421.

It is a happy number.

It is a super-2 number, since 2×1244423004² = 3097177225768768032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244423003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201909 + ... + 207980.

It is an arithmetic number, because the mean of its divisors is an integer number (68861520).

Almost surely, 2^1244423004 is an apocalyptic number.

It is an amenable number.

1244423004 is an abundant number, since it is smaller than the sum of its proper divisors (2060929956).

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

1244423004 is a wasteful number, since it uses less digits than its factorization.

1244423004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409930 (or 409928 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1244423004 is about 35276.3802564832. The cubic root of 1244423004 is about 1075.6129200594.

Adding to 1244423004 its reverse (4003244421), we get a palindrome (5247667425).

The spelling of 1244423004 in words is "one billion, two hundred forty-four million, four hundred twenty-three thousand, four".