2256345625064 has 32 divisors (see below), whose sum is σ = 4367920550400. Its totient is φ = 1091580144960.

The previous prime is 2256345625057. The next prime is 2256345625069. The reversal of 2256345625064 is 4605265436522.

It is a happy number.

2256345625064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2256345625069) 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, 527717 + ... + 2188875.

It is an arithmetic number, because the mean of its divisors is an integer number (136497517200).

Almost surely, 2^{2256345625064} is an apocalyptic number.

It is an amenable number.

2256345625064 is a deficient number, since it is larger than the sum of its proper divisors (2111574925336).

2256345625064 is a wasteful number, since it uses less digits than its factorization.

2256345625064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666673 (or 1666669 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 50.

The spelling of 2256345625064 in words is "two trillion, two hundred fifty-six billion, three hundred forty-five million, six hundred twenty-five thousand, sixty-four".