449728524 has 120 divisors (see below), whose sum is σ = 1372546560. Its totient is φ = 125730144.

The previous prime is 449728519. The next prime is 449728567. The reversal of 449728524 is 425827944.

It is a self number, because there is not a number n which added to its sum of digits gives 449728524.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 104487 + ... + 108705.

It is an arithmetic number, because the mean of its divisors is an integer number (11437888).

Almost surely, 2^449728524 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 449728524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (686273280).

449728524 is an abundant number, since it is smaller than the sum of its proper divisors (922818036).

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

449728524 is a wasteful number, since it uses less digits than its factorization.

449728524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4289 (or 4278 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 449728524 is about 21206.8037195613. The cubic root of 449728524 is about 766.1553016766.

The spelling of 449728524 in words is "four hundred forty-nine million, seven hundred twenty-eight thousand, five hundred twenty-four".