4225520243256 has 128 divisors (see below), whose sum is σ = 11429939976000. Its totient is φ = 1294045175808.

The previous prime is 4225520243141. The next prime is 4225520243261. The reversal of 4225520243256 is 6523420255224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258133440 + ... + 258149808.

Almost surely, 2^{4225520243256} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4225520243256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5714969988000).

4225520243256 is an abundant number, since it is smaller than the sum of its proper divisors (7204419732744).

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

4225520243256 is a wasteful number, since it uses less digits than its factorization.

4225520243256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20233 (or 20229 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 42.

The spelling of 4225520243256 in words is "four trillion, two hundred twenty-five billion, five hundred twenty million, two hundred forty-three thousand, two hundred fifty-six".