449719544 has 16 divisors (see below), whose sum is σ = 855810600. Its totient is φ = 221503392.

The previous prime is 449719541. The next prime is 449719549. The reversal of 449719544 is 445917944.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449719541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418979 + ... + 420050.

Almost surely, 2^449719544 is an apocalyptic number.

It is an amenable number.

449719544 is a deficient number, since it is larger than the sum of its proper divisors (406091056).

449719544 is a wasteful number, since it uses less digits than its factorization.

449719544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839102 (or 839098 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 449719544 is about 21206.5919940004. The cubic root of 449719544 is about 766.1502022147.

The spelling of 449719544 in words is "four hundred forty-nine million, seven hundred nineteen thousand, five hundred forty-four".