4255384643246 has 32 divisors (see below), whose sum is σ = 7022832718176. Its totient is φ = 1933734686400.

The previous prime is 4255384643201. The next prime is 4255384643249. The reversal of 4255384643246 is 6423464835524.

It is a junction number, because it is equal to n+sod(n) for n = 4255384643191 and 4255384643200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4255384643249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9559916 + ... + 9995136.

It is an arithmetic number, because the mean of its divisors is an integer number (219463522443).

Almost surely, 2^{4255384643246} is an apocalyptic number.

4255384643246 is a deficient number, since it is larger than the sum of its proper divisors (2767448074930).

4255384643246 is a wasteful number, since it uses less digits than its factorization.

4255384643246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438929 (or 438907 counting only the distinct ones).

The product of its digits is 66355200, while the sum is 56.

The spelling of 4255384643246 in words is "four trillion, two hundred fifty-five billion, three hundred eighty-four million, six hundred forty-three thousand, two hundred forty-six".