256031130652 has 24 divisors (see below), whose sum is σ = 494973884160. Its totient is φ = 114904648560.

The previous prime is 256031130629. The next prime is 256031130671.

256031130652 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36824938 + ... + 36831889.

It is an arithmetic number, because the mean of its divisors is an integer number (20623911840).

Almost surely, 2^256031130652 is an apocalyptic number.

256031130652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

256031130652 is a deficient number, since it is larger than the sum of its proper divisors (238942753508).

256031130652 is a wasteful number, since it uses less digits than its factorization.

256031130652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73656921 (or 73656919 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

It can be divided in two parts, 256031 and 130652, that added together give a palindrome (386683).

The spelling of 256031130652 in words is "two hundred fifty-six billion, thirty-one million, one hundred thirty thousand, six hundred fifty-two".