449605656 has 48 divisors (see below), whose sum is σ = 1270629360. Its totient is φ = 143352000.

The previous prime is 449605627. The next prime is 449605657. The reversal of 449605656 is 656506944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449605657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134095 + ... + 137406.

It is an arithmetic number, because the mean of its divisors is an integer number (26471445).

Almost surely, 2^449605656 is an apocalyptic number.

449605656 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

449605656 is an abundant number, since it is smaller than the sum of its proper divisors (821023704).

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

449605656 is a wasteful number, since it uses less digits than its factorization.

449605656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271536 (or 271529 counting only the distinct ones).

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

The square root of 449605656 is about 21203.9066211866. The cubic root of 449605656 is about 766.0855228814.

The spelling of 449605656 in words is "four hundred forty-nine million, six hundred five thousand, six hundred fifty-six".