404022032 has 40 divisors (see below), whose sum is σ = 803549760. Its totient is φ = 196721280.

The previous prime is 404021999. The next prime is 404022041. The reversal of 404022032 is 230220404.

It is a self number, because there is not a number n which added to its sum of digits gives 404022032.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98519 + ... + 102537.

It is an arithmetic number, because the mean of its divisors is an integer number (20088744).

Almost surely, 2^404022032 is an apocalyptic number.

It is an amenable number.

404022032 is a deficient number, since it is larger than the sum of its proper divisors (399527728).

404022032 is a wasteful number, since it uses less digits than its factorization.

404022032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4191 (or 4185 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 404022032 is about 20100.2993012542. The cubic root of 404022032 is about 739.2676172506.

Adding to 404022032 its reverse (230220404), we get a palindrome (634242436).

The spelling of 404022032 in words is "four hundred four million, twenty-two thousand, thirty-two".