4020260257 has 16 divisors (see below), whose sum is σ = 4379755968. Its totient is φ = 3668068800.

The previous prime is 4020260243. The next prime is 4020260261. The reversal of 4020260257 is 7520620204.

4020260257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4020260257 - 2⁷ = 4020260129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4020260557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 894538 + ... + 899020.

It is an arithmetic number, because the mean of its divisors is an integer number (273734748).

Almost surely, 2^4020260257 is an apocalyptic number.

It is an amenable number.

4020260257 is a deficient number, since it is larger than the sum of its proper divisors (359495711).

4020260257 is a wasteful number, since it uses less digits than its factorization.

4020260257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5280.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 4020260257 is about 63405.5222910434. The cubic root of 4020260257 is about 1590.0766358115.

The spelling of 4020260257 in words is "four billion, twenty million, two hundred sixty thousand, two hundred fifty-seven".