4256739284 has 12 divisors (see below), whose sum is σ = 8513478624. Its totient is φ = 1824316824.

The previous prime is 4256739247. The next prime is 4256739317. The reversal of 4256739284 is 4829376524.

4256739284 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76013174 + ... + 76013229.

It is an arithmetic number, because the mean of its divisors is an integer number (709456552).

Almost surely, 2^4256739284 is an apocalyptic number.

It is an amenable number.

4256739284 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4256739284 is a wasteful number, since it uses less digits than its factorization.

4256739284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152026414 (or 152026412 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 50.

The square root of 4256739284 is about 65243.6915264610. The cubic root of 4256739284 is about 1620.6616313844.

The spelling of 4256739284 in words is "four billion, two hundred fifty-six million, seven hundred thirty-nine thousand, two hundred eighty-four".