404811048469 has 4 divisors (see below), whose sum is σ = 404813440044. Its totient is φ = 404808656896.

The previous prime is 404811048463. The next prime is 404811048479. The reversal of 404811048469 is 964840118404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24794281444 + 380016767025 = 157462^2 + 616455^2 .

It is a cyclic number.

It is not a de Polignac number, because 404811048469 - 2³³ = 396221113877 is a prime.

It is a super-2 number, since 2×404811048469² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404811048463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 920812 + ... + 1287445.

It is an arithmetic number, because the mean of its divisors is an integer number (101203360011).

Almost surely, 2^404811048469 is an apocalyptic number.

It is an amenable number.

404811048469 is a deficient number, since it is larger than the sum of its proper divisors (2391575).

404811048469 is a wasteful number, since it uses less digits than its factorization.

404811048469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391574.

The product of its (nonzero) digits is 884736, while the sum is 49.

The spelling of 404811048469 in words is "four hundred four billion, eight hundred eleven million, forty-eight thousand, four hundred sixty-nine".