449211910 has 48 divisors (see below), whose sum is σ = 995942304. Its totient is φ = 144953088.

The previous prime is 449211907. The next prime is 449211923. The reversal of 449211910 is 19112944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18634 + ... + 35293.

It is an arithmetic number, because the mean of its divisors is an integer number (20748798).

Almost surely, 2^449211910 is an apocalyptic number.

449211910 is an abundant number, since it is smaller than the sum of its proper divisors (546730394).

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

449211910 is a wasteful number, since it uses less digits than its factorization.

449211910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53965 (or 53958 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 449211910 is about 21194.6198361754. The cubic root of 449211910 is about 765.8618222491.

The spelling of 449211910 in words is "four hundred forty-nine million, two hundred eleven thousand, nine hundred ten".