449717160 has 128 divisors (see below), whose sum is σ = 1420001280. Its totient is φ = 113718528.

The previous prime is 449717143. The next prime is 449717161. The reversal of 449717160 is 61717944.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (449717161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 349879 + ... + 351161.

It is an arithmetic number, because the mean of its divisors is an integer number (11093760).

Almost surely, 2^449717160 is an apocalyptic number.

449717160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449717160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (710000640).

449717160 is an abundant number, since it is smaller than the sum of its proper divisors (970284120).

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

449717160 is a wasteful number, since it uses less digits than its factorization.

449717160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447 (or 1443 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 449717160 is about 21206.5357849886. The cubic root of 449717160 is about 766.1488484041.

The spelling of 449717160 in words is "four hundred forty-nine million, seven hundred seventeen thousand, one hundred sixty".