404300386481 has 4 divisors (see below), whose sum is σ = 417342334464. Its totient is φ = 391258438500.

The previous prime is 404300386403. The next prime is 404300386489. The reversal of 404300386481 is 184683003404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 404300386481 - 2¹⁰ = 404300385457 is a prime.

It is a super-2 number, since 2×404300386481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404300386489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6520973945 + ... + 6520974006.

It is an arithmetic number, because the mean of its divisors is an integer number (104335583616).

Almost surely, 2^404300386481 is an apocalyptic number.

It is an amenable number.

404300386481 is a deficient number, since it is larger than the sum of its proper divisors (13041947983).

404300386481 is a wasteful number, since it uses less digits than its factorization.

404300386481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13041947982.

The product of its (nonzero) digits is 221184, while the sum is 41.

Adding to 404300386481 its reverse (184683003404), we get a palindrome (588983389885).

The spelling of 404300386481 in words is "four hundred four billion, three hundred million, three hundred eighty-six thousand, four hundred eighty-one".