4256844842 has 8 divisors (see below), whose sum is σ = 6385724100. Its totient is φ = 2128270144.

The previous prime is 4256844833. The next prime is 4256844847. The reversal of 4256844842 is 2484486524.

It can be written as a sum of positive squares in 2 ways, for example, as 4253778841 + 3066001 = 65221^2 + 1751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4256844847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37217 + ... + 99492.

Almost surely, 2^4256844842 is an apocalyptic number.

4256844842 is a deficient number, since it is larger than the sum of its proper divisors (2128879258).

4256844842 is a wasteful number, since it uses less digits than its factorization.

4256844842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152280.

The product of its digits is 1966080, while the sum is 47.

The square root of 4256844842 is about 65244.5004732200. The cubic root of 4256844842 is about 1620.6750275839.

The spelling of 4256844842 in words is "four billion, two hundred fifty-six million, eight hundred forty-four thousand, eight hundred forty-two".