256236324299 has 8 divisors (see below), whose sum is σ = 257403269760. Its totient is φ = 255069539136.

The previous prime is 256236324277. The next prime is 256236324301. The reversal of 256236324299 is 992423632652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-256236324299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 256236324299.

It is not an unprimeable number, because it can be changed into a prime (256236324199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4161167 + ... + 4222295.

It is an arithmetic number, because the mean of its divisors is an integer number (32175408720).

Almost surely, 2^256236324299 is an apocalyptic number.

256236324299 is a deficient number, since it is larger than the sum of its proper divisors (1166945461).

256236324299 is a wasteful number, since it uses less digits than its factorization.

256236324299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80149.

The product of its digits is 8398080, while the sum is 53.

The spelling of 256236324299 in words is "two hundred fifty-six billion, two hundred thirty-six million, three hundred twenty-four thousand, two hundred ninety-nine".