404320244 has 6 divisors (see below), whose sum is σ = 707560434. Its totient is φ = 202160120.

The previous prime is 404320223. The next prime is 404320297. The reversal of 404320244 is 442023404.

It can be written as a sum of positive squares in only one way, i.e., 318979600 + 85340644 = 17860^2 + 9238^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50540027 + ... + 50540034.

It is an arithmetic number, because the mean of its divisors is an integer number (117926739).

Almost surely, 2^404320244 is an apocalyptic number.

It is an amenable number.

404320244 is a deficient number, since it is larger than the sum of its proper divisors (303240190).

404320244 is a wasteful number, since it uses less digits than its factorization.

404320244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101080065 (or 101080063 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 404320244 is about 20107.7160314144. The cubic root of 404320244 is about 739.4494590304.

Adding to 404320244 its reverse (442023404), we get a palindrome (846343648).

The spelling of 404320244 in words is "four hundred four million, three hundred twenty thousand, two hundred forty-four".