8455550128 has 20 divisors (see below), whose sum is σ = 16502213880. Its totient is φ = 4196914304.

The previous prime is 8455550123. The next prime is 8455550153. The reversal of 8455550128 is 8210555548.

It is not an unprimeable number, because it can be changed into a prime (8455550123) 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, 1926538 + ... + 1930921.

It is an arithmetic number, because the mean of its divisors is an integer number (825110694).

Almost surely, 2^8455550128 is an apocalyptic number.

It is an amenable number.

8455550128 is a deficient number, since it is larger than the sum of its proper divisors (8046663752).

8455550128 is a wasteful number, since it uses less digits than its factorization.

8455550128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3857604 (or 3857598 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 43.

The square root of 8455550128 is about 91954.0653152431. The cubic root of 8455550128 is about 2037.2638995145.

The spelling of 8455550128 in words is "eight billion, four hundred fifty-five million, five hundred fifty thousand, one hundred twenty-eight".