404400773044 has 12 divisors (see below), whose sum is σ = 707706766368. Its totient is φ = 202198839800.

The previous prime is 404400773017. The next prime is 404400773053. The reversal of 404400773044 is 440377004404.

It is a junction number, because it is equal to n+sod(n) for n = 404400772994 and 404400773012.

It is a congruent number.

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, 363159 + ... + 969889.

It is an arithmetic number, because the mean of its divisors is an integer number (58975563864).

Almost surely, 2^404400773044 is an apocalyptic number.

It is an amenable number.

404400773044 is a deficient number, since it is larger than the sum of its proper divisors (303305993324).

404400773044 is a wasteful number, since it uses less digits than its factorization.

404400773044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773366 (or 773364 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 37.

Adding to 404400773044 its reverse (440377004404), we get a palindrome (844777777448).

The spelling of 404400773044 in words is "four hundred four billion, four hundred million, seven hundred seventy-three thousand, forty-four".