861282462250 has 256 divisors, whose sum is σ = 2022439311360. Its totient is φ = 267795763200.

The previous prime is 861282462211. The next prime is 861282462251. The reversal of 861282462250 is 52264282168.

It is a self number, because there is not a number n which added to its sum of digits gives 861282462250.

It is not an unprimeable number, because it can be changed into a prime (861282462251) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 710042644 + ... + 710043856.

It is an arithmetic number, because the mean of its divisors is an integer number (7900153560).

Almost surely, 2^861282462250 is an apocalyptic number.

861282462250 is an abundant number, since it is smaller than the sum of its proper divisors (1161156849110).

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

861282462250 is a wasteful number, since it uses less digits than its factorization.

861282462250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106 (or 2096 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 46.

The spelling of 861282462250 in words is "eight hundred sixty-one billion, two hundred eighty-two million, four hundred sixty-two thousand, two hundred fifty".