449966856 has 32 divisors (see below), whose sum is σ = 1126448640. Its totient is φ = 149784768.

The previous prime is 449966827. The next prime is 449966893. The reversal of 449966856 is 658669944.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 449966796 and 449966805.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5785 + ... + 30551.

It is an arithmetic number, because the mean of its divisors is an integer number (35201520).

Almost surely, 2^449966856 is an apocalyptic number.

It is an amenable number.

449966856 is an abundant number, since it is smaller than the sum of its proper divisors (676481784).

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

449966856 is a wasteful number, since it uses less digits than its factorization.

449966856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25533 (or 25529 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 57.

The square root of 449966856 is about 21212.4222096393. The cubic root of 449966856 is about 766.2906181836.

The spelling of 449966856 in words is "four hundred forty-nine million, nine hundred sixty-six thousand, eight hundred fifty-six".