404021342224 has 40 divisors (see below), whose sum is σ = 801296258400. Its totient is φ = 197238736128.

The previous prime is 404021342167. The next prime is 404021342233. The reversal of 404021342224 is 422243120404.

It is a junction number, because it is equal to n+sod(n) for n = 404021342192 and 404021342201.

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, 1748124 + ... + 1965700.

It is an arithmetic number, because the mean of its divisors is an integer number (20032406460).

Almost surely, 2^404021342224 is an apocalyptic number.

It is an amenable number.

404021342224 is a deficient number, since it is larger than the sum of its proper divisors (397274916176).

404021342224 is a wasteful number, since it uses less digits than its factorization.

404021342224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220327 (or 220321 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 404021342224 its reverse (422243120404), we get a palindrome (826264462628).

The spelling of 404021342224 in words is "four hundred four billion, twenty-one million, three hundred forty-two thousand, two hundred twenty-four".