866248448460 has 48 divisors (see below), whose sum is σ = 2530951992576. Its totient is φ = 220956125632.

The previous prime is 866248448441. The next prime is 866248448489. The reversal of 866248448460 is 64844842668.

It is a happy number.

866248448460 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 866248448394 and 866248448403.

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, 313856754 + ... + 313859513.

It is an arithmetic number, because the mean of its divisors is an integer number (52728166512).

Almost surely, 2^866248448460 is an apocalyptic number.

It is an amenable number.

866248448460 is an abundant number, since it is smaller than the sum of its proper divisors (1664703544116).

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

866248448460 is a wasteful number, since it uses less digits than its factorization.

866248448460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627716302 (or 627716300 counting only the distinct ones).

The product of its (nonzero) digits is 56623104, while the sum is 60.

The spelling of 866248448460 in words is "eight hundred sixty-six billion, two hundred forty-eight million, four hundred forty-eight thousand, four hundred sixty".