404140322 has 8 divisors (see below), whose sum is σ = 606648000. Its totient is φ = 201924324.

The previous prime is 404140277. The next prime is 404140349. The reversal of 404140322 is 223041404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 404140294 and 404140303.

It is an unprimeable number.

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, 69422 + ... + 75017.

It is an arithmetic number, because the mean of its divisors is an integer number (75831000).

Almost surely, 2^404140322 is an apocalyptic number.

404140322 is a deficient number, since it is larger than the sum of its proper divisors (202507678).

404140322 is a wasteful number, since it uses less digits than its factorization.

404140322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145840.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 404140322 is about 20103.2415794070. The cubic root of 404140322 is about 739.3397580635.

Adding to 404140322 its reverse (223041404), we get a palindrome (627181726).

The spelling of 404140322 in words is "four hundred four million, one hundred forty thousand, three hundred twenty-two".