449595240 has 64 divisors (see below), whose sum is σ = 1359452160. Its totient is φ = 118944000.

The previous prime is 449595197. The next prime is 449595257. The reversal of 449595240 is 42595944.

It is a junction number, because it is equal to n+sod(n) for n = 449595192 and 449595201.

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, 490 + ... + 29990.

It is an arithmetic number, because the mean of its divisors is an integer number (21241440).

Almost surely, 2^449595240 is an apocalyptic number.

449595240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449595240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (679726080).

449595240 is an abundant number, since it is smaller than the sum of its proper divisors (909856920).

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

449595240 is a wasteful number, since it uses less digits than its factorization.

449595240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29642 (or 29638 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 449595240 is about 21203.6610046473. The cubic root of 449595240 is about 766.0796068760.

The spelling of 449595240 in words is "four hundred forty-nine million, five hundred ninety-five thousand, two hundred forty".