4855238128 has 20 divisors (see below), whose sum is σ = 10130641528. Its totient is φ = 2240879040.

The previous prime is 4855238123. The next prime is 4855238177. The reversal of 4855238128 is 8218325584.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4855238123) 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, 11671038 + ... + 11671453.

Almost surely, 2^4855238128 is an apocalyptic number.

It is an amenable number.

4855238128 is an abundant number, since it is smaller than the sum of its proper divisors (5275403400).

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

4855238128 is a wasteful number, since it uses less digits than its factorization.

4855238128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23342512 (or 23342506 counting only the distinct ones).

The product of its digits is 614400, while the sum is 46.

The square root of 4855238128 is about 69679.5388044439. The cubic root of 4855238128 is about 1693.3114498312.

The spelling of 4855238128 in words is "four billion, eight hundred fifty-five million, two hundred thirty-eight thousand, one hundred twenty-eight".