256216144130 has 32 divisors (see below), whose sum is σ = 488438864640. Its totient is φ = 96433934080.

The previous prime is 256216144091. The next prime is 256216144133. The reversal of 256216144130 is 31441612652.

256216144130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (256216144133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 508685 + ... + 878175.

It is an arithmetic number, because the mean of its divisors is an integer number (15263714520).

Almost surely, 2^256216144130 is an apocalyptic number.

256216144130 is a deficient number, since it is larger than the sum of its proper divisors (232222720510).

256216144130 is a wasteful number, since it uses less digits than its factorization.

256216144130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373594.

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 256216144130 its reverse (31441612652), we get a palindrome (287657756782).

The spelling of 256216144130 in words is "two hundred fifty-six billion, two hundred sixteen million, one hundred forty-four thousand, one hundred thirty".