404898447249 has 16 divisors (see below), whose sum is σ = 616061703040. Its totient is φ = 262636830000.

The previous prime is 404898447197. The next prime is 404898447277. The reversal of 404898447249 is 942744898404.

404898447249 is a `hidden beast` number, since 4 + 0 + 4 + 89 + 84 + 472 + 4 + 9 = 666.

It is not a de Polignac number, because 404898447249 - 2²⁹ = 404361576337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (404893447249) 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, 202650877 + ... + 202652874.

It is an arithmetic number, because the mean of its divisors is an integer number (38503856440).

Almost surely, 2^404898447249 is an apocalyptic number.

It is an amenable number.

404898447249 is a deficient number, since it is larger than the sum of its proper divisors (211163255791).

404898447249 is a wasteful number, since it uses less digits than its factorization.

404898447249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405303797 (or 405303791 counting only the distinct ones).

The product of its (nonzero) digits is 74317824, while the sum is 63.

The spelling of 404898447249 in words is "four hundred four billion, eight hundred ninety-eight million, four hundred forty-seven thousand, two hundred forty-nine".