449731152 has 240 divisors, whose sum is σ = 1433880448. Its totient is φ = 130636800.

The previous prime is 449731127. The next prime is 449731157. The reversal of 449731152 is 251137944.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449731157) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2978277 + ... + 2978427.

Almost surely, 2^449731152 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 449731152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (716940224).

449731152 is an abundant number, since it is smaller than the sum of its proper divisors (984149296).

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

449731152 is a wasteful number, since it uses less digits than its factorization.

449731152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 249 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 449731152 is about 21206.8656807176. The cubic root of 449731152 is about 766.1567940230.

The spelling of 449731152 in words is "four hundred forty-nine million, seven hundred thirty-one thousand, one hundred fifty-two".