256067223132 has 48 divisors (see below), whose sum is σ = 683785356800. Its totient is φ = 73061410752.

The previous prime is 256067223119. The next prime is 256067223133. The reversal of 256067223132 is 231322760652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256067223133) 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, 2035507 + ... + 2157642.

Almost surely, 2^256067223132 is an apocalyptic number.

It is an amenable number.

256067223132 is an abundant number, since it is smaller than the sum of its proper divisors (427718133668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256067223132 is a wasteful number, since it uses less digits than its factorization.

256067223132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4193890 (or 4193888 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

Adding to 256067223132 its reverse (231322760652), we get a palindrome (487389983784).

The spelling of 256067223132 in words is "two hundred fifty-six billion, sixty-seven million, two hundred twenty-three thousand, one hundred thirty-two".