449689302 has 48 divisors (see below), whose sum is σ = 1029188160. Its totient is φ = 141511536.

The previous prime is 449689297. The next prime is 449689309. The reversal of 449689302 is 203986944.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449689309) 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, 102853 + ... + 107135.

It is an arithmetic number, because the mean of its divisors is an integer number (21441420).

Almost surely, 2^449689302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449689302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514594080).

449689302 is an abundant number, since it is smaller than the sum of its proper divisors (579498858).

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

449689302 is a wasteful number, since it uses less digits than its factorization.

449689302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4617 (or 4614 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 449689302 is about 21205.8789490085. The cubic root of 449689302 is about 766.1330282270.

The spelling of 449689302 in words is "four hundred forty-nine million, six hundred eighty-nine thousand, three hundred two".