1144020404 has 12 divisors (see below), whose sum is σ = 2066617728. Its totient is φ = 553558200.

The previous prime is 1144020359. The next prime is 1144020433. The reversal of 1144020404 is 4040204411.

It is a happy number.

It is a congruent number.

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, 4612862 + ... + 4613109.

It is an arithmetic number, because the mean of its divisors is an integer number (172218144).

Almost surely, 2^1144020404 is an apocalyptic number.

It is an amenable number.

1144020404 is a deficient number, since it is larger than the sum of its proper divisors (922597324).

1144020404 is a wasteful number, since it uses less digits than its factorization.

1144020404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9226006 (or 9226004 counting only the distinct ones).

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

The square root of 1144020404 is about 33823.3706776838. The cubic root of 1144020404 is about 1045.8705242091.

Adding to 1144020404 its reverse (4040204411), we get a palindrome (5184224815).

The spelling of 1144020404 in words is "one billion, one hundred forty-four million, twenty thousand, four hundred four".