100404044 has 24 divisors (see below), whose sum is σ = 189851088. Its totient is φ = 46186560.

The previous prime is 100404019. The next prime is 100404049. The reversal of 100404044 is 440404001.

It is not an unprimeable number, because it can be changed into a prime (100404049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13439 + ... + 19529.

It is an arithmetic number, because the mean of its divisors is an integer number (7910462).

Almost surely, 2^100404044 is an apocalyptic number.

It is an amenable number.

100404044 is a deficient number, since it is larger than the sum of its proper divisors (89447044).

100404044 is a wasteful number, since it uses less digits than its factorization.

100404044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6425 (or 6423 counting only the distinct ones).

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

The square root of 100404044 is about 10020.1818346775. The cubic root of 100404044 is about 464.7831786783.

Adding to 100404044 its reverse (440404001), we get a palindrome (540808045).

The spelling of 100404044 in words is "one hundred million, four hundred four thousand, forty-four".