256226002132 has 6 divisors (see below), whose sum is σ = 448395503738. Its totient is φ = 128113001064.

The previous prime is 256226002061. The next prime is 256226002133. The reversal of 256226002132 is 231200622652.

It can be written as a sum of positive squares in only one way, i.e., 171028565136 + 85197436996 = 413556^2 + 291886^2 .

It is a junction number, because it is equal to n+sod(n) for n = 256226002094 and 256226002103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256226002133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32028250263 + ... + 32028250270.

Almost surely, 2^256226002132 is an apocalyptic number.

It is an amenable number.

256226002132 is a deficient number, since it is larger than the sum of its proper divisors (192169501606).

256226002132 is a wasteful number, since it uses less digits than its factorization.

256226002132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64056500537 (or 64056500535 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 256226002132 its reverse (231200622652), we get a palindrome (487426624784).

The spelling of 256226002132 in words is "two hundred fifty-six billion, two hundred twenty-six million, two thousand, one hundred thirty-two".