256552277146 has 8 divisors (see below), whose sum is σ = 419812817184. Its totient is φ = 116614671420.

The previous prime is 256552277129. The next prime is 256552277147. The reversal of 256552277146 is 641772255652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 256552277093 and 256552277102.

It is not an unprimeable number, because it can be changed into a prime (256552277147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5830733550 + ... + 5830733593.

It is an arithmetic number, because the mean of its divisors is an integer number (52476602148).

Almost surely, 2^256552277146 is an apocalyptic number.

256552277146 is a deficient number, since it is larger than the sum of its proper divisors (163260540038).

256552277146 is a wasteful number, since it uses less digits than its factorization.

256552277146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11661467156.

The product of its digits is 7056000, while the sum is 52.

The spelling of 256552277146 in words is "two hundred fifty-six billion, five hundred fifty-two million, two hundred seventy-seven thousand, one hundred forty-six".