4256340066503 has 32 divisors (see below), whose sum is σ = 5344724336640. Its totient is φ = 3304958358240.

The previous prime is 4256340066497. The next prime is 4256340066529. The reversal of 4256340066503 is 3056600436524.

It is not a de Polignac number, because 4256340066503 - 2⁶ = 4256340066439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256340066533) 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, 9530738 + ... + 9967328.

It is an arithmetic number, because the mean of its divisors is an integer number (167022635520).

Almost surely, 2^{4256340066503} is an apocalyptic number.

4256340066503 is a deficient number, since it is larger than the sum of its proper divisors (1088384270137).

4256340066503 is a wasteful number, since it uses less digits than its factorization.

4256340066503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439827.

The product of its (nonzero) digits is 1555200, while the sum is 44.

The spelling of 4256340066503 in words is "four trillion, two hundred fifty-six billion, three hundred forty million, sixty-six thousand, five hundred three".