449677770 has 32 divisors (see below), whose sum is σ = 1116443520. Its totient is φ = 115778880.

The previous prime is 449677757. The next prime is 449677771. The reversal of 449677770 is 77776944.

It is not an unprimeable number, because it can be changed into a prime (449677771) 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, 257566 + ... + 259305.

It is an arithmetic number, because the mean of its divisors is an integer number (34888860).

Almost surely, 2^449677770 is an apocalyptic number.

449677770 is an abundant number, since it is smaller than the sum of its proper divisors (666765750).

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

449677770 is a wasteful number, since it uses less digits than its factorization.

449677770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516910.

The product of its (nonzero) digits is 2074464, while the sum is 51.

The square root of 449677770 is about 21205.6070415350. The cubic root of 449677770 is about 766.1264791707.

The spelling of 449677770 in words is "four hundred forty-nine million, six hundred seventy-seven thousand, seven hundred seventy".