449164782 has 48 divisors (see below), whose sum is σ = 1064613888. Its totient is φ = 135732240.

The previous prime is 449164741. The next prime is 449164787. The reversal of 449164782 is 287461944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449164787) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72873 + ... + 78795.

It is an arithmetic number, because the mean of its divisors is an integer number (22179456).

Almost surely, 2^449164782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449164782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (532306944).

449164782 is an abundant number, since it is smaller than the sum of its proper divisors (615449106).

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

449164782 is a wasteful number, since it uses less digits than its factorization.

449164782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6325 (or 6322 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 449164782 is about 21193.5080154277. The cubic root of 449164782 is about 765.8350384547.

The spelling of 449164782 in words is "four hundred forty-nine million, one hundred sixty-four thousand, seven hundred eighty-two".