4256340066425 has 12 divisors (see below), whose sum is σ = 5279639430780. Its totient is φ = 3403925118720.

The previous prime is 4256340066421. The next prime is 4256340066437. The reversal of 4256340066425 is 5246600436524.

It can be written as a sum of positive squares in 6 ways, for example, as 841431951616 + 3414908114809 = 917296^2 + 1847947^2 .

It is not a de Polignac number, because 4256340066425 - 2² = 4256340066421 is a prime.

It is a super-2 number, since 2×4256340066425² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4256340066425.

It is not an unprimeable number, because it can be changed into a prime (4256340066421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28597652 + ... + 28746101.

It is an arithmetic number, because the mean of its divisors is an integer number (439969952565).

Almost surely, 2^{4256340066425} is an apocalyptic number.

It is an amenable number.

4256340066425 is a deficient number, since it is larger than the sum of its proper divisors (1023299364355).

4256340066425 is a wasteful number, since it uses less digits than its factorization.

4256340066425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57346732 (or 57346727 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 47.

The spelling of 4256340066425 in words is "four trillion, two hundred fifty-six billion, three hundred forty million, sixty-six thousand, four hundred twenty-five".