449612670 has 48 divisors (see below), whose sum is σ = 1168474032. Its totient is φ = 110672640.

The previous prime is 449612659. The next prime is 449612689. The reversal of 449612670 is 76216944.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39271 + ... + 49410.

It is an arithmetic number, because the mean of its divisors is an integer number (24343209).

Almost surely, 2^449612670 is an apocalyptic number.

449612670 is an abundant number, since it is smaller than the sum of its proper divisors (718861362).

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

449612670 is a wasteful number, since it uses less digits than its factorization.

449612670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88717 (or 88704 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 449612670 is about 21204.0720145919. The cubic root of 449612670 is about 766.0895065916.

The spelling of 449612670 in words is "four hundred forty-nine million, six hundred twelve thousand, six hundred seventy".