1042144004 has 12 divisors (see below), whose sum is σ = 1989547728. Its totient is φ = 473701800.

The previous prime is 1042144003. The next prime is 1042144031. The reversal of 1042144004 is 4004412401.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1042144003) 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, 11842502 + ... + 11842589.

It is an arithmetic number, because the mean of its divisors is an integer number (165795644).

Almost surely, 2^1042144004 is an apocalyptic number.

It is an amenable number.

1042144004 is a deficient number, since it is larger than the sum of its proper divisors (947403724).

1042144004 is a wasteful number, since it uses less digits than its factorization.

1042144004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23685106 (or 23685104 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1042144004 is about 32282.2552495949. The cubic root of 1042144004 is about 1013.8551495943.

Adding to 1042144004 its reverse (4004412401), we get a palindrome (5046556405).

The spelling of 1042144004 in words is "one billion, forty-two million, one hundred forty-four thousand, four".