4256512224420 has 48 divisors (see below), whose sum is σ = 12545509717440. Its totient is φ = 1075329403776.

The previous prime is 4256512224397. The next prime is 4256512224457. The reversal of 4256512224420 is 244222156524.

It is an unprimeable number.

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, 1866890187 + ... + 1866892466.

It is an arithmetic number, because the mean of its divisors is an integer number (261364785780).

Almost surely, 2^{4256512224420} is an apocalyptic number.

It is an amenable number.

4256512224420 is an abundant number, since it is smaller than the sum of its proper divisors (8288997493020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4256512224420 is a wasteful number, since it uses less digits than its factorization.

4256512224420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3733782684 (or 3733782682 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 39.

The spelling of 4256512224420 in words is "four trillion, two hundred fifty-six billion, five hundred twelve million, two hundred twenty-four thousand, four hundred twenty".