449996736 has 112 divisors (see below), whose sum is σ = 1373209344. Its totient is φ = 127389696.

The previous prime is 449996731. The next prime is 449996737. The reversal of 449996736 is 637699944.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449996731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150391 + ... + 153353.

Almost surely, 2^449996736 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 449996736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (686604672).

449996736 is an abundant number, since it is smaller than the sum of its proper divisors (923212608).

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

449996736 is a wasteful number, since it uses less digits than its factorization.

449996736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3098 (or 3088 counting only the distinct ones).

The product of its digits is 8817984, while the sum is 57.

The square root of 449996736 is about 21213.1265022391. The cubic root of 449996736 is about 766.3075796232.

The spelling of 449996736 in words is "four hundred forty-nine million, nine hundred ninety-six thousand, seven hundred thirty-six".