256229244427 has 8 divisors (see below), whose sum is σ = 280057682576. Its totient is φ = 232989162912.

The previous prime is 256229244419. The next prime is 256229244463. The reversal of 256229244427 is 724442922652.

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

It is a cyclic number.

It is not a de Polignac number, because 256229244427 - 2³ = 256229244419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256229241427) 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 7 ways as a sum of consecutive naturals, for example, 147088248 + ... + 147089989.

It is an arithmetic number, because the mean of its divisors is an integer number (35007210322).

Almost surely, 2^256229244427 is an apocalyptic number.

256229244427 is a deficient number, since it is larger than the sum of its proper divisors (23828438149).

256229244427 is a wasteful number, since it uses less digits than its factorization.

256229244427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294178317.

The product of its digits is 3870720, while the sum is 49.

The spelling of 256229244427 in words is "two hundred fifty-six billion, two hundred twenty-nine million, two hundred forty-four thousand, four hundred twenty-seven".