404040104 has 16 divisors (see below), whose sum is σ = 815850420. Its totient is φ = 186480000.

The previous prime is 404040101. The next prime is 404040127. The reversal of 404040104 is 401040404.

It can be written as a sum of positive squares in 2 ways, for example, as 400080004 + 3960100 = 20002^2 + 1990^2 .

It is not an unprimeable number, because it can be changed into a prime (404040101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1942397 + ... + 1942604.

Almost surely, 2^404040104 is an apocalyptic number.

It is an amenable number.

404040104 is an abundant number, since it is smaller than the sum of its proper divisors (411810316).

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

404040104 is a wasteful number, since it uses less digits than its factorization.

404040104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3885020 (or 3885016 counting only the distinct ones).

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

The square root of 404040104 is about 20100.7488417720. The cubic root of 404040104 is about 739.2786396241.

Adding to 404040104 its reverse (401040404), we get a palindrome (805080508).

It can be divided in two parts, 4040 and 40104, that added together give a palindrome (44144).

The spelling of 404040104 in words is "four hundred four million, forty thousand, one hundred four".