449004840 has 32 divisors (see below), whose sum is σ = 1347014880. Its totient is φ = 119734592.

The previous prime is 449004821. The next prime is 449004841. The reversal of 449004840 is 48400944.

It is not an unprimeable number, because it can be changed into a prime (449004841) 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, 1870734 + ... + 1870973.

It is an arithmetic number, because the mean of its divisors is an integer number (42094215).

Almost surely, 2^449004840 is an apocalyptic number.

449004840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

449004840 is an abundant number, since it is smaller than the sum of its proper divisors (898010040).

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

449004840 is a wasteful number, since it uses less digits than its factorization.

449004840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741721 (or 3741717 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 449004840 is about 21189.7343069704. The cubic root of 449004840 is about 765.7441262146.

The spelling of 449004840 in words is "four hundred forty-nine million, four thousand, eight hundred forty".