4020256265 has 32 divisors (see below), whose sum is σ = 5150745600. Its totient is φ = 3003713280.

The previous prime is 4020256243. The next prime is 4020256267. The reversal of 4020256265 is 5626520204.

4020256265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4020256265 - 2¹⁰ = 4020255241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4020256267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2308295 + ... + 2310035.

It is an arithmetic number, because the mean of its divisors is an integer number (160960800).

Almost surely, 2^4020256265 is an apocalyptic number.

It is an amenable number.

4020256265 is a deficient number, since it is larger than the sum of its proper divisors (1130489335).

4020256265 is a wasteful number, since it uses less digits than its factorization.

4020256265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 4020256265 is about 63405.4908111277. The cubic root of 4020256265 is about 1590.0761095116.

Adding to 4020256265 its reverse (5626520204), we get a palindrome (9646776469).

The spelling of 4020256265 in words is "four billion, twenty million, two hundred fifty-six thousand, two hundred sixty-five".