4256031063252 has 72 divisors (see below), whose sum is σ = 10486815882816. Its totient is φ = 1343253580416.

The previous prime is 4256031063247. The next prime is 4256031063301. The reversal of 4256031063252 is 2523601306524.

It is a super-2 number, since 2×4256031063252² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4256031063252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7448448 + ... + 7999464.

Almost surely, 2^{4256031063252} 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 4256031063252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5243407941408).

4256031063252 is an abundant number, since it is smaller than the sum of its proper divisors (6230784819564).

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

4256031063252 is a wasteful number, since it uses less digits than its factorization.

4256031063252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552845 (or 552824 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

Adding to 4256031063252 its reverse (2523601306524), we get a palindrome (6779632369776).

The spelling of 4256031063252 in words is "four trillion, two hundred fifty-six billion, thirty-one million, sixty-three thousand, two hundred fifty-two".