404420244 has 48 divisors (see below), whose sum is σ = 995097600. Its totient is φ = 127482336.

The previous prime is 404420243. The next prime is 404420251. The reversal of 404420244 is 442024404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404420243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162699 + ... + 165165.

It is an arithmetic number, because the mean of its divisors is an integer number (20731200).

Almost surely, 2^404420244 is an apocalyptic number.

It is an amenable number.

404420244 is an abundant number, since it is smaller than the sum of its proper divisors (590677356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404420244 is a wasteful number, since it uses less digits than its factorization.

404420244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212 (or 3210 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 404420244 is about 20110.2024853058. The cubic root of 404420244 is about 739.5104163628.

Adding to 404420244 its reverse (442024404), we get a palindrome (846444648).

The spelling of 404420244 in words is "four hundred four million, four hundred twenty thousand, two hundred forty-four".