404966920559 has 16 divisors (see below), whose sum is σ = 431007925920. Its totient is φ = 379768072320.

The previous prime is 404966920543. The next prime is 404966920583. The reversal of 404966920559 is 955029669404.

It is a cyclic number.

It is not a de Polignac number, because 404966920559 - 2⁴ = 404966920543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404966920498 and 404966920507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404966920159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282197 + ... + 943169.

It is an arithmetic number, because the mean of its divisors is an integer number (26937995370).

Almost surely, 2^404966920559 is an apocalyptic number.

404966920559 is a deficient number, since it is larger than the sum of its proper divisors (26041005361).

404966920559 is a wasteful number, since it uses less digits than its factorization.

404966920559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661610.

The product of its (nonzero) digits is 20995200, while the sum is 59.

The spelling of 404966920559 in words is "four hundred four billion, nine hundred sixty-six million, nine hundred twenty thousand, five hundred fifty-nine".