100044404 has 6 divisors (see below), whose sum is σ = 175077714. Its totient is φ = 50022200.

The previous prime is 100044391. The next prime is 100044431. The reversal of 100044404 is 404440001.

It can be written as a sum of positive squares in only one way, i.e., 56220004 + 43824400 = 7498^2 + 6620^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12505547 + ... + 12505554.

It is an arithmetic number, because the mean of its divisors is an integer number (29179619).

Almost surely, 2^100044404 is an apocalyptic number.

It is an amenable number.

100044404 is a deficient number, since it is larger than the sum of its proper divisors (75033310).

100044404 is a wasteful number, since it uses less digits than its factorization.

100044404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25011105 (or 25011103 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 100044404 is about 10002.2199535903. The cubic root of 100044404 is about 464.2275748985.

Adding to 100044404 its reverse (404440001), we get a palindrome (504484405).

The spelling of 100044404 in words is "one hundred million, forty-four thousand, four hundred four".