449538764 has 12 divisors (see below), whose sum is σ = 786872688. Its totient is φ = 224718000.

The previous prime is 449538751. The next prime is 449538767. The reversal of 449538764 is 467835944.

It is not an unprimeable number, because it can be changed into a prime (449538767) 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, 12314 + ... + 32414.

It is an arithmetic number, because the mean of its divisors is an integer number (65572724).

Almost surely, 2^449538764 is an apocalyptic number.

It is an amenable number.

449538764 is a deficient number, since it is larger than the sum of its proper divisors (337333924).

449538764 is a wasteful number, since it uses less digits than its factorization.

449538764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25696 (or 25694 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 50.

The square root of 449538764 is about 21202.3292116692. The cubic root of 449538764 is about 766.0475284495.

The spelling of 449538764 in words is "four hundred forty-nine million, five hundred thirty-eight thousand, seven hundred sixty-four".