256046763 has 64 divisors (see below), whose sum is σ = 422682624. Its totient is φ = 134784000.

The previous prime is 256046761. The next prime is 256046801. The reversal of 256046763 is 367640652.

It is not a de Polignac number, because 256046763 - 2¹ = 256046761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (256046761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1414533 + ... + 1414713.

It is an arithmetic number, because the mean of its divisors is an integer number (6604416).

Almost surely, 2^256046763 is an apocalyptic number.

256046763 is a deficient number, since it is larger than the sum of its proper divisors (166635861).

256046763 is a wasteful number, since it uses less digits than its factorization.

256046763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316.

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 256046763 is about 16001.4612770209. The cubic root of 256046763 is about 634.9990807435. Note that the first 3 decimals are identical.

Adding to 256046763 its product of nonzero digits (181440), we get a triangular number (256228203 = T₂₂₆₃₇).

The spelling of 256046763 in words is "two hundred fifty-six million, forty-six thousand, seven hundred sixty-three".