404020332330404 has 24 divisors (see below), whose sum is σ = 718629845147256. Its totient is φ = 198697551840000.

The previous prime is 404020332330367. The next prime is 404020332330409. The reversal of 404020332330404 is 404033233020404.

It can be written as a sum of positive squares in 4 ways, for example, as 122497303622500 + 281523028707904 = 11067850^2 + 16778648^2 .

It is not an unprimeable number, because it can be changed into a prime (404020332330409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47245274 + ... + 55137614.

It is an arithmetic number, because the mean of its divisors is an integer number (29942910214469).

Almost surely, 2^{404020332330404} is an apocalyptic number.

It is an amenable number.

404020332330404 is a deficient number, since it is larger than the sum of its proper divisors (314609512816852).

404020332330404 is a wasteful number, since it uses less digits than its factorization.

404020332330404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8102207 (or 8102205 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 404020332330404 its reverse (404033233020404), we get a palindrome (808053565350808).

The spelling of 404020332330404 in words is "four hundred four trillion, twenty billion, three hundred thirty-two million, three hundred thirty thousand, four hundred four".