256630424223032 has 64 divisors (see below), whose sum is σ = 498474821793600. Its totient is φ = 123716285056000.

The previous prime is 256630424223023. The next prime is 256630424223073. The reversal of 256630424223032 is 230322424036652.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2088725282 + ... + 2088848142.

It is an arithmetic number, because the mean of its divisors is an integer number (7788669090525).

Almost surely, 2^{256630424223032} is an apocalyptic number.

It is an amenable number.

256630424223032 is a deficient number, since it is larger than the sum of its proper divisors (241844397570568).

256630424223032 is a wasteful number, since it uses less digits than its factorization.

256630424223032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135488 (or 135484 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 44.

Adding to 256630424223032 its reverse (230322424036652), we get a palindrome (486952848259684).

The spelling of 256630424223032 in words is "two hundred fifty-six trillion, six hundred thirty billion, four hundred twenty-four million, two hundred twenty-three thousand, thirty-two".