449677564 has 24 divisors (see below), whose sum is σ = 899806208. Its totient is φ = 192622320.

The previous prime is 449677517. The next prime is 449677589. The reversal of 449677564 is 465776944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99457 + ... + 103879.

Almost surely, 2^449677564 is an apocalyptic number.

It is an amenable number.

449677564 is an abundant number, since it is smaller than the sum of its proper divisors (450128644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

449677564 is a wasteful number, since it uses less digits than its factorization.

449677564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8065 (or 8063 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 52.

The square root of 449677564 is about 21205.6021843286. The cubic root of 449677564 is about 766.1263621817.

It can be divided in two parts, 449677 and 564, that added together give a square (450241 = 671²).

The spelling of 449677564 in words is "four hundred forty-nine million, six hundred seventy-seven thousand, five hundred sixty-four".