256614605041 has 4 divisors (see below), whose sum is σ = 259497915300. Its totient is φ = 253731294784.

The previous prime is 256614605029. The next prime is 256614605063. The reversal of 256614605041 is 140506416652.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 137285811441 + 119328793600 = 370521^2 + 345440^2 .

It is a cyclic number.

It is not a de Polignac number, because 256614605041 - 2¹⁹ = 256614080753 is a prime.

It is a super-2 number, since 2×256614605041² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 256614604985 and 256614605003.

It is not an unprimeable number, because it can be changed into a prime (256618605041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1441654996 + ... + 1441655173.

It is an arithmetic number, because the mean of its divisors is an integer number (64874478825).

Almost surely, 2^256614605041 is an apocalyptic number.

It is an amenable number.

256614605041 is a deficient number, since it is larger than the sum of its proper divisors (2883310259).

256614605041 is an equidigital number, since it uses as much as digits as its factorization.

256614605041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883310258.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 256614605041 in words is "two hundred fifty-six billion, six hundred fourteen million, six hundred five thousand, forty-one".