449650656 has 576 divisors, whose sum is σ = 1769644800. Its totient is φ = 109734912.

The previous prime is 449650639. The next prime is 449650661. The reversal of 449650656 is 656056944.

449650656 is a `hidden beast` number, since 4 + 4 + 96 + 506 + 56 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10456971 + ... + 10457013.

It is an arithmetic number, because the mean of its divisors is an integer number (3072300).

Almost surely, 2^449650656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449650656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (884822400).

449650656 is an abundant number, since it is smaller than the sum of its proper divisors (1319994144).

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

449650656 is a wasteful number, since it uses less digits than its factorization.

449650656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The square root of 449650656 is about 21204.9677198528. The cubic root of 449650656 is about 766.1110806104. Note that the first 3 decimals are identical.

The spelling of 449650656 in words is "four hundred forty-nine million, six hundred fifty thousand, six hundred fifty-six".