404111100100 has 18 divisors (see below), whose sum is σ = 876921087434. Its totient is φ = 161644440000.

The previous prime is 404111100023. The next prime is 404111100103. The reversal of 404111100100 is 1001111404.

It can be written as a sum of positive squares in 3 ways, for example, as 11443436676 + 392667663424 = 106974^2 + 626632^2 .

It is not an unprimeable number, because it can be changed into a prime (404111100103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2020555401 + ... + 2020555600.

Almost surely, 2^404111100100 is an apocalyptic number.

It is an amenable number.

404111100100 is an abundant number, since it is smaller than the sum of its proper divisors (472809987334).

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

404111100100 is a wasteful number, since it uses less digits than its factorization.

404111100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4041111015 (or 4041111008 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 404111100100 its reverse (1001111404), we get a palindrome (405112211504).

The spelling of 404111100100 in words is "four hundred four billion, one hundred eleven million, one hundred thousand, one hundred".