4856791266 has 80 divisors (see below), whose sum is σ = 11281552128. Its totient is φ = 1560060000.

The previous prime is 4856791249. The next prime is 4856791271. The reversal of 4856791266 is 6621976584.

4856791266 is a `hidden beast` number, since 4 + 8 + 567 + 9 + 12 + 66 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1258596 + ... + 1262448.

Almost surely, 2^4856791266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4856791266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5640776064).

4856791266 is an abundant number, since it is smaller than the sum of its proper divisors (6424760862).

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

4856791266 is a wasteful number, since it uses less digits than its factorization.

4856791266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4149 (or 4140 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 4856791266 is about 69690.6827775421. The cubic root of 4856791266 is about 1693.4919879022.

The spelling of 4856791266 in words is "four billion, eight hundred fifty-six million, seven hundred ninety-one thousand, two hundred sixty-six".