256506452470232 has 32 divisors (see below), whose sum is σ = 483313215977280. Its totient is φ = 127623610732800.

The previous prime is 256506452470211. The next prime is 256506452470237. The reversal of 256506452470232 is 232074254605652.

It is a super-4 number, since 4×256506452470232⁴ (a number of 59 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256506452470237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39650144 + ... + 45663407.

It is an arithmetic number, because the mean of its divisors is an integer number (15103537999290).

Almost surely, 2^{256506452470232} is an apocalyptic number.

It is an amenable number.

256506452470232 is a deficient number, since it is larger than the sum of its proper divisors (226806763507048).

256506452470232 is a wasteful number, since it uses less digits than its factorization.

256506452470232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85315403 (or 85315399 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 53.

The spelling of 256506452470232 in words is "two hundred fifty-six trillion, five hundred six billion, four hundred fifty-two million, four hundred seventy thousand, two hundred thirty-two".