449519064 has 64 divisors (see below), whose sum is σ = 1141452000. Its totient is φ = 147502080.

The previous prime is 449519051. The next prime is 449519069. The reversal of 449519064 is 460915944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449519069) 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, 830634 + ... + 831174.

Almost surely, 2^449519064 is an apocalyptic number.

It is an amenable number.

449519064 is an abundant number, since it is smaller than the sum of its proper divisors (691932936).

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

449519064 is a wasteful number, since it uses less digits than its factorization.

449519064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 449519064 is about 21201.8646349796. The cubic root of 449519064 is about 766.0363381971.

The spelling of 449519064 in words is "four hundred forty-nine million, five hundred nineteen thousand, sixty-four".