404402443 has 8 divisors (see below), whose sum is σ = 429051168. Its totient is φ = 379849344.

The previous prime is 404402437. The next prime is 404402447. The reversal of 404402443 is 344204404.

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

It is a cyclic number.

It is not a de Polignac number, because 404402443 - 2⁹ = 404401931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404402447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15096 + ... + 32197.

It is an arithmetic number, because the mean of its divisors is an integer number (53631396).

Almost surely, 2^404402443 is an apocalyptic number.

404402443 is a deficient number, since it is larger than the sum of its proper divisors (24648725).

404402443 is a wasteful number, since it uses less digits than its factorization.

404402443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47813.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 404402443 is about 20109.7598941410. The cubic root of 404402443 is about 739.4995660833.

Adding to 404402443 its reverse (344204404), we get a palindrome (748606847).

The spelling of 404402443 in words is "four hundred four million, four hundred two thousand, four hundred forty-three".