449139170 has 16 divisors (see below), whose sum is σ = 843600960. Its totient is φ = 171844464.

The previous prime is 449139161. The next prime is 449139181. The reversal of 449139170 is 71931944.

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, 976160 + ... + 976619.

It is an arithmetic number, because the mean of its divisors is an integer number (52725060).

Almost surely, 2^449139170 is an apocalyptic number.

449139170 is a deficient number, since it is larger than the sum of its proper divisors (394461790).

449139170 is a wasteful number, since it uses less digits than its factorization.

449139170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952809.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 449139170 is about 21192.9037651757. The cubic root of 449139170 is about 765.8204818520.

The spelling of 449139170 in words is "four hundred forty-nine million, one hundred thirty-nine thousand, one hundred seventy".