404012724404 has 12 divisors (see below), whose sum is σ = 713508711300. Its totient is φ = 200153092608.

The previous prime is 404012724371. The next prime is 404012724413. The reversal of 404012724404 is 404427210404.

It can be written as a sum of positive squares in 2 ways, for example, as 202366821904 + 201645902500 = 449852^2 + 449050^2 .

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, 463316909 + ... + 463317780.

It is an arithmetic number, because the mean of its divisors is an integer number (59459059275).

Almost surely, 2^404012724404 is an apocalyptic number.

It is an amenable number.

404012724404 is a deficient number, since it is larger than the sum of its proper divisors (309495986896).

404012724404 is a wasteful number, since it uses less digits than its factorization.

404012724404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926634802 (or 926634800 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 32.

Adding to 404012724404 its reverse (404427210404), we get a palindrome (808439934808).

The spelling of 404012724404 in words is "four hundred four billion, twelve million, seven hundred twenty-four thousand, four hundred four".