1004541444 has 18 divisors (see below), whose sum is σ = 2539257630. Its totient is φ = 334847136.

The previous prime is 1004541443. The next prime is 1004541449. The reversal of 1004541444 is 4441454001.

It can be written as a sum of positive squares in only one way, i.e., 696960000 + 307581444 = 26400^2 + 17538^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (1004541443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13951929 + ... + 13952000.

Almost surely, 2^1004541444 is an apocalyptic number.

It is an amenable number.

1004541444 is an abundant number, since it is smaller than the sum of its proper divisors (1534716186).

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

1004541444 is a wasteful number, since it uses less digits than its factorization.

1004541444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27903939 (or 27903934 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 1004541444 is about 31694.5017944753. The cubic root of 1004541444 is about 1001.5115287962.

Adding to 1004541444 its reverse (4441454001), we get a palindrome (5445995445).

The spelling of 1004541444 in words is "one billion, four million, five hundred forty-one thousand, four hundred forty-four".