256500435650262 has 16 divisors (see below), whose sum is σ = 513042910361280. Its totient is φ = 85493138706632.

The previous prime is 256500435650227. The next prime is 256500435650279. The reversal of 256500435650262 is 262056534005652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1751548212 + ... + 1751694647.

It is an arithmetic number, because the mean of its divisors is an integer number (32065181897580).

Almost surely, 2^{256500435650262} is an apocalyptic number.

256500435650262 is an abundant number, since it is smaller than the sum of its proper divisors (256542474711018).

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

256500435650262 is a wasteful number, since it uses less digits than its factorization.

256500435650262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503255067.

The product of its (nonzero) digits is 12960000, while the sum is 51.

The spelling of 256500435650262 in words is "two hundred fifty-six trillion, five hundred billion, four hundred thirty-five million, six hundred fifty thousand, two hundred sixty-two".