256051212224 has 14 divisors (see below), whose sum is σ = 508101624384. Its totient is φ = 128025606080.

The previous prime is 256051212173. The next prime is 256051212247. The reversal of 256051212224 is 422212150652.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 2000400032 + ... + 2000400159.

Almost surely, 2^256051212224 is an apocalyptic number.

It is an amenable number.

256051212224 is a deficient number, since it is larger than the sum of its proper divisors (252050412160).

256051212224 is an equidigital number, since it uses as much as digits as its factorization.

256051212224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000800203 (or 4000800193 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 256051212224 its reverse (422212150652), we get a palindrome (678263362876).

The spelling of 256051212224 in words is "two hundred fifty-six billion, fifty-one million, two hundred twelve thousand, two hundred twenty-four".