856482259536 has 140 divisors (see below), whose sum is σ = 2523058290720. Its totient is φ = 281472770880.

The previous prime is 856482259489. The next prime is 856482259541. The reversal of 856482259536 is 635952284658.

856482259536 is a `hidden beast` number, since 8 + 5 + 6 + 4 + 8 + 2 + 2 + 595 + 36 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 311035 + ... + 1345253.

Almost surely, 2^856482259536 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 856482259536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1261529145360).

856482259536 is an abundant number, since it is smaller than the sum of its proper divisors (1666576031184).

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

856482259536 is a wasteful number, since it uses less digits than its factorization.

856482259536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034316 (or 1034295 counting only the distinct ones).

The product of its digits is 124416000, while the sum is 63.

The spelling of 856482259536 in words is "eight hundred fifty-six billion, four hundred eighty-two million, two hundred fifty-nine thousand, five hundred thirty-six".