256453332343330 has 32 divisors (see below), whose sum is σ = 464943817134720. Its totient is φ = 101841839339520.

The previous prime is 256453332343321. The next prime is 256453332343357. The reversal of 256453332343330 is 33343233354652.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95645427 + ... + 98290153.

It is an arithmetic number, because the mean of its divisors is an integer number (14529494285460).

Almost surely, 2^{256453332343330} is an apocalyptic number.

256453332343330 is a deficient number, since it is larger than the sum of its proper divisors (208490484791390).

256453332343330 is a wasteful number, since it uses less digits than its factorization.

256453332343330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714634.

The product of its (nonzero) digits is 20995200, while the sum is 49.

Adding to 256453332343330 its reverse (33343233354652), we get a palindrome (289796565697982).

The spelling of 256453332343330 in words is "two hundred fifty-six trillion, four hundred fifty-three billion, three hundred thirty-two million, three hundred forty-three thousand, three hundred thirty".