449319902 has 16 divisors (see below), whose sum is σ = 703451952. Its totient is φ = 215042880.

The previous prime is 449319901. The next prime is 449319907. The reversal of 449319902 is 209913944.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 449319902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449319901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47348 + ... + 56039.

It is an arithmetic number, because the mean of its divisors is an integer number (43965747).

Almost surely, 2^449319902 is an apocalyptic number.

449319902 is a deficient number, since it is larger than the sum of its proper divisors (254132050).

449319902 is a wasteful number, since it uses less digits than its factorization.

449319902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103483.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 449319902 is about 21197.1673107517. The cubic root of 449319902 is about 765.9231892203.

The spelling of 449319902 in words is "four hundred forty-nine million, three hundred nineteen thousand, nine hundred two".