256051068 has 288 divisors, whose sum is σ = 825834240. Its totient is φ = 60963840.

The previous prime is 256051051. The next prime is 256051069. The reversal of 256051068 is 860150652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256051069) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5954655 + ... + 5954697.

It is an arithmetic number, because the mean of its divisors is an integer number (2867480).

Almost surely, 2^256051068 is an apocalyptic number.

256051068 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 256051068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412917120).

256051068 is an abundant number, since it is smaller than the sum of its proper divisors (569783172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256051068 is a wasteful number, since it uses less digits than its factorization.

256051068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 256051068 is about 16001.5957954199. The cubic root of 256051068 is about 635.0026395410.

It can be divided in two parts, 2560 and 51068, that added together give a triangular number (53628 = T₃₂₇).

The spelling of 256051068 in words is "two hundred fifty-six million, fifty-one thousand, sixty-eight".