4256890705 has 16 divisors (see below), whose sum is σ = 5278086144. Its totient is φ = 3292511040.

The previous prime is 4256890699. The next prime is 4256890709. The reversal of 4256890705 is 5070986524.

It is not a de Polignac number, because 4256890705 - 2³¹ = 2109407057 is a prime.

It is a super-2 number, since 2×4256890705² = 36242236948630794050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4256890709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156852 + ... + 181978.

It is an arithmetic number, because the mean of its divisors is an integer number (329880384).

Almost surely, 2^4256890705 is an apocalyptic number.

It is an amenable number.

4256890705 is a deficient number, since it is larger than the sum of its proper divisors (1021195439).

4256890705 is a wasteful number, since it uses less digits than its factorization.

4256890705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26256.

The product of its (nonzero) digits is 604800, while the sum is 46.

The square root of 4256890705 is about 65244.8519425096. The cubic root of 4256890705 is about 1620.6808479160.

The spelling of 4256890705 in words is "four billion, two hundred fifty-six million, eight hundred ninety thousand, seven hundred five".