256622566876284 has 24 divisors (see below), whose sum is σ = 684326845003648. Its totient is φ = 73320733393200.

The previous prime is 256622566876279. The next prime is 256622566876289. The reversal of 256622566876284 is 482678665226652.

256622566876284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (256622566876279) and next prime (256622566876289).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256622566876289) 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, 1527515278942 + ... + 1527515279109.

Almost surely, 2^{256622566876284} is an apocalyptic number.

It is an amenable number.

256622566876284 is an abundant number, since it is smaller than the sum of its proper divisors (427704278127364).

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

256622566876284 is a wasteful number, since it uses less digits than its factorization.

256622566876284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055030558065 (or 3055030558063 counting only the distinct ones).

The product of its digits is 5573836800, while the sum is 75.

The spelling of 256622566876284 in words is "two hundred fifty-six trillion, six hundred twenty-two billion, five hundred sixty-six million, eight hundred seventy-six thousand, two hundred eighty-four".