449869300 has 72 divisors (see below), whose sum is σ = 1053354456. Its totient is φ = 166133760.

The previous prime is 449869271. The next prime is 449869307. The reversal of 449869300 is 3968944.

It can be written as a sum of positive squares in 12 ways, for example, as 52823824 + 397045476 = 7268^2 + 19926^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449869307) 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, 87604 + ... + 92596.

It is an arithmetic number, because the mean of its divisors is an integer number (14629923).

Almost surely, 2^449869300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449869300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526677228).

449869300 is an abundant number, since it is smaller than the sum of its proper divisors (603485156).

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

449869300 is a wasteful number, since it uses less digits than its factorization.

449869300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5077 (or 5070 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 449869300 is about 21210.1225833327. The cubic root of 449869300 is about 766.2352351039.

The spelling of 449869300 in words is "four hundred forty-nine million, eight hundred sixty-nine thousand, three hundred".