404018202 has 16 divisors (see below), whose sum is σ = 923470272. Its totient is φ = 115433760.

The previous prime is 404018183. The next prime is 404018203. The reversal of 404018202 is 202810404.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (404018203) 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 7 ways as a sum of consecutive naturals, for example, 4809699 + ... + 4809782.

It is an arithmetic number, because the mean of its divisors is an integer number (57716892).

Almost surely, 2^404018202 is an apocalyptic number.

404018202 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

404018202 is an abundant number, since it is smaller than the sum of its proper divisors (519452070).

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

404018202 is a wasteful number, since it uses less digits than its factorization.

404018202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9619493.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 404018202 is about 20100.2040288152. The cubic root of 404018202 is about 739.2652812361.

Adding to 404018202 its reverse (202810404), we get a palindrome (606828606).

The spelling of 404018202 in words is "four hundred four million, eighteen thousand, two hundred two".