404260306244 has 48 divisors (see below), whose sum is σ = 723401688240. Its totient is φ = 197602928640.

The previous prime is 404260306193. The next prime is 404260306273. The reversal of 404260306244 is 442603062404.

It can be written as a sum of positive squares in 8 ways, for example, as 4408960000 + 399851346244 = 66400^2 + 632338^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79062632 + ... + 79067744.

It is an arithmetic number, because the mean of its divisors is an integer number (15070868505).

Almost surely, 2^404260306244 is an apocalyptic number.

It is an amenable number.

404260306244 is a deficient number, since it is larger than the sum of its proper divisors (319141381996).

404260306244 is a wasteful number, since it uses less digits than its factorization.

404260306244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6440 (or 6438 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 404260306244 its reverse (442603062404), we get a palindrome (846863368648).

The spelling of 404260306244 in words is "four hundred four billion, two hundred sixty million, three hundred six thousand, two hundred forty-four".