256460157229 has 4 divisors (see below), whose sum is σ = 262424346976. Its totient is φ = 250495967484.

The previous prime is 256460157197. The next prime is 256460157257. The reversal of 256460157229 is 922751064652.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 256460157229 - 2⁵ = 256460157197 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 (256460157929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2982094809 + ... + 2982094894.

It is an arithmetic number, because the mean of its divisors is an integer number (65606086744).

Almost surely, 2^256460157229 is an apocalyptic number.

It is an amenable number.

256460157229 is a deficient number, since it is larger than the sum of its proper divisors (5964189747).

256460157229 is an equidigital number, since it uses as much as digits as its factorization.

256460157229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5964189746.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 256460157229 in words is "two hundred fifty-six billion, four hundred sixty million, one hundred fifty-seven thousand, two hundred twenty-nine".