4512688856 has 16 divisors (see below), whose sum is σ = 9112160400. Its totient is φ = 2082779424.

The previous prime is 4512688853. The next prime is 4512688969. The reversal of 4512688856 is 6588862154.

It is a super-2 number, since 2×4512688856² = 40728721422133177472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4512688798 and 4512688807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4512688853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21695516 + ... + 21695723.

It is an arithmetic number, because the mean of its divisors is an integer number (569510025).

Almost surely, 2^4512688856 is an apocalyptic number.

It is an amenable number.

4512688856 is an abundant number, since it is smaller than the sum of its proper divisors (4599471544).

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

4512688856 is a wasteful number, since it uses less digits than its factorization.

4512688856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43391258 (or 43391254 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 53.

The square root of 4512688856 is about 67176.5498965227. The cubic root of 4512688856 is about 1652.5139341025.

The spelling of 4512688856 in words is "four billion, five hundred twelve million, six hundred eighty-eight thousand, eight hundred fifty-six".