4257646748 has 12 divisors (see below), whose sum is σ = 7774833360. Its totient is φ = 2036265792.

The previous prime is 4257646741. The next prime is 4257646759. The reversal of 4257646748 is 8476467524.

It is a self number, because there is not a number n which added to its sum of digits gives 4257646748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4257646741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23139293 + ... + 23139476.

It is an arithmetic number, because the mean of its divisors is an integer number (647902780).

Almost surely, 2^4257646748 is an apocalyptic number.

It is an amenable number.

4257646748 is a deficient number, since it is larger than the sum of its proper divisors (3517186612).

4257646748 is a wasteful number, since it uses less digits than its factorization.

4257646748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46278796 (or 46278794 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 53.

The square root of 4257646748 is about 65250.6455753504. The cubic root of 4257646748 is about 1620.7767889806.

It can be divided in two parts, 4 and 257646748, that added together give a palindrome (257646752).

The spelling of 4257646748 in words is "four billion, two hundred fifty-seven million, six hundred forty-six thousand, seven hundred forty-eight".