4255643252 has 24 divisors (see below), whose sum is σ = 9011951424. Its totient is φ = 1716561792.

The previous prime is 4255643243. The next prime is 4255643261. The reversal of 4255643252 is 2523465524.

It is an interprime number because it is at equal distance from previous prime (4255643243) and next prime (4255643261).

It is a super-2 number, since 2×4255643252² = 36220998976586271008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4469738 + ... + 4470689.

It is an arithmetic number, because the mean of its divisors is an integer number (375497976).

Almost surely, 2^4255643252 is an apocalyptic number.

It is an amenable number.

4255643252 is an abundant number, since it is smaller than the sum of its proper divisors (4756308172).

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

4255643252 is a wasteful number, since it uses less digits than its factorization.

4255643252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8940455 (or 8940453 counting only the distinct ones).

The product of its digits is 288000, while the sum is 38.

The square root of 4255643252 is about 65235.2914609876. The cubic root of 4255643252 is about 1620.5225225997.

The spelling of 4255643252 in words is "four billion, two hundred fifty-five million, six hundred forty-three thousand, two hundred fifty-two".