256244102 has 4 divisors (see below), whose sum is σ = 384366156. Its totient is φ = 128122050.

The previous prime is 256244099. The next prime is 256244123. The reversal of 256244102 is 201442652.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×256244102² = 131322079619572808, which contains 22 as substring.

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, 64061024 + ... + 64061027.

It is an arithmetic number, because the mean of its divisors is an integer number (96091539).

Almost surely, 2^256244102 is an apocalyptic number.

256244102 is a deficient number, since it is larger than the sum of its proper divisors (128122054).

256244102 is a wasteful number, since it uses less digits than its factorization.

256244102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128122053.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 256244102 is about 16007.6263699525. The cubic root of 256244102 is about 635.1621732233.

Adding to 256244102 its reverse (201442652), we get a palindrome (457686754).

It can be divided in two parts, 2562 and 44102, that added together give a palindrome (46664).

The spelling of 256244102 in words is "two hundred fifty-six million, two hundred forty-four thousand, one hundred two".