449913860 has 48 divisors (see below), whose sum is σ = 1032236352. Its totient is φ = 163363200.

The previous prime is 449913851. The next prime is 449913887. The reversal of 449913860 is 68319944.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223619 + ... + 225621.

It is an arithmetic number, because the mean of its divisors is an integer number (21504924).

Almost surely, 2^449913860 is an apocalyptic number.

It is an amenable number.

449913860 is an abundant number, since it is smaller than the sum of its proper divisors (582322492).

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

449913860 is a wasteful number, since it uses less digits than its factorization.

449913860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3044 (or 3042 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 449913860 is about 21211.1729991531. The cubic root of 449913860 is about 766.2605330551.

The spelling of 449913860 in words is "four hundred forty-nine million, nine hundred thirteen thousand, eight hundred sixty".