404500046 has 4 divisors (see below), whose sum is σ = 606750072. Its totient is φ = 202250022.

The previous prime is 404500043. The next prime is 404500073. The reversal of 404500046 is 640005404.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 404499994 and 404500030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404500043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101125010 + ... + 101125013.

It is an arithmetic number, because the mean of its divisors is an integer number (151687518).

Almost surely, 2^404500046 is an apocalyptic number.

404500046 is a deficient number, since it is larger than the sum of its proper divisors (202250026).

404500046 is a wasteful number, since it uses less digits than its factorization.

404500046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202250025.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 404500046 is about 20112.1865047041. The cubic root of 404500046 is about 739.5590543245.

The spelling of 404500046 in words is "four hundred four million, five hundred thousand, forty-six".