4265722656 has 384 divisors, whose sum is σ = 14047084800. Its totient is φ = 1250795520.

The previous prime is 4265722589. The next prime is 4265722693. The reversal of 4265722656 is 6562275624.

4265722656 is a `hidden beast` number, since 4 + 2 + 6 + 572 + 26 + 56 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27170130 + ... + 27170286.

It is an arithmetic number, because the mean of its divisors is an integer number (36580950).

Almost surely, 2^4265722656 is an apocalyptic number.

It is a pronic number, being equal to 65312×65313.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4265722656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7023542400).

4265722656 is an abundant number, since it is smaller than the sum of its proper divisors (9781362144).

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

4265722656 is a wasteful number, since it uses less digits than its factorization.

4265722656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 275 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The square root of 4265722656 is about 65312.4999980861. The cubic root of 4265722656 is about 1621.8009053390.

The spelling of 4265722656 in words is "four billion, two hundred sixty-five million, seven hundred twenty-two thousand, six hundred fifty-six".