1011444004 has 12 divisors (see below), whose sum is σ = 1771602700. Its totient is φ = 505271808.

The previous prime is 1011444001. The next prime is 1011444013. The reversal of 1011444004 is 4004441101.

It can be written as a sum of positive squares in 2 ways, for example, as 466128100 + 545315904 = 21590^2 + 23352^2 .

It is not an unprimeable number, because it can be changed into a prime (1011444001) by changing a digit.

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, 107469 + ... + 116500.

Almost surely, 2^1011444004 is an apocalyptic number.

It is an amenable number.

1011444004 is a deficient number, since it is larger than the sum of its proper divisors (760158696).

1011444004 is a wasteful number, since it uses less digits than its factorization.

1011444004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225102 (or 225100 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1011444004 is about 31803.2074483062. The cubic root of 1011444004 is about 1003.8002081245.

Adding to 1011444004 its reverse (4004441101), we get a palindrome (5015885105).

The spelling of 1011444004 in words is "one billion, eleven million, four hundred forty-four thousand, four".