449951718 has 8 divisors (see below), whose sum is σ = 899903448. Its totient is φ = 149983904.

The previous prime is 449951717. The next prime is 449951773. The reversal of 449951718 is 817159944.

It is a sphenic number, since it is the product of 3 distinct primes.

449951718 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449951713) 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, 37495971 + ... + 37495982.

It is an arithmetic number, because the mean of its divisors is an integer number (112487931).

Almost surely, 2^449951718 is an apocalyptic number.

449951718 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

449951718 is a wasteful number, since it uses less digits than its factorization.

449951718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74991958.

The product of its digits is 362880, while the sum is 48.

The square root of 449951718 is about 21212.0653874157. The cubic root of 449951718 is about 766.2820247822.

The spelling of 449951718 in words is "four hundred forty-nine million, nine hundred fifty-one thousand, seven hundred eighteen".