4256340066452 has 6 divisors (see below), whose sum is σ = 7448595116298. Its totient is φ = 2128170033224.

The previous prime is 4256340066449. The next prime is 4256340066497. The reversal of 4256340066452 is 2546600436524.

It can be written as a sum of positive squares in only one way, i.e., 3485255869456 + 771084196996 = 1866884^2 + 878114^2 .

It is a super-2 number, since 2×4256340066452² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4256340066397 and 4256340066406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532042508303 + ... + 532042508310.

It is an arithmetic number, because the mean of its divisors is an integer number (1241432519383).

Almost surely, 2^{4256340066452} is an apocalyptic number.

It is an amenable number.

4256340066452 is a deficient number, since it is larger than the sum of its proper divisors (3192255049846).

4256340066452 is a wasteful number, since it uses less digits than its factorization.

4256340066452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064085016617 (or 1064085016615 counting only the distinct ones).

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

The spelling of 4256340066452 in words is "four trillion, two hundred fifty-six billion, three hundred forty million, sixty-six thousand, four hundred fifty-two".