404402244 has 12 divisors (see below), whose sum is σ = 943605264. Its totient is φ = 134800744.

The previous prime is 404402237. The next prime is 404402263. The reversal of 404402244 is 442204404.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16850082 + ... + 16850105.

It is an arithmetic number, because the mean of its divisors is an integer number (78633772).

Almost surely, 2^404402244 is an apocalyptic number.

It is an amenable number.

404402244 is an abundant number, since it is smaller than the sum of its proper divisors (539203020).

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

404402244 is a wasteful number, since it uses less digits than its factorization.

404402244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33700194 (or 33700192 counting only the distinct ones).

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

The square root of 404402244 is about 20109.7549462941. The cubic root of 404402244 is about 739.4994447846.

Adding to 404402244 its reverse (442204404), we get a palindrome (846606648).

The spelling of 404402244 in words is "four hundred four million, four hundred two thousand, two hundred forty-four".