5028428556 has 18 divisors (see below), whose sum is σ = 12710750052. Its totient is φ = 1676142840.

The previous prime is 5028428551. The next prime is 5028428569. The reversal of 5028428556 is 6558248205.

It is a happy number.

5028428556 is a `hidden beast` number, since 50 + 2 + 8 + 42 + 8 + 556 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (5028428551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69839250 + ... + 69839321.

Almost surely, 2^5028428556 is an apocalyptic number.

It is an amenable number.

5028428556 is an abundant number, since it is smaller than the sum of its proper divisors (7682321496).

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

5028428556 is a wasteful number, since it uses less digits than its factorization.

5028428556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139678581 (or 139678576 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 45.

The square root of 5028428556 is about 70911.4134395867. The cubic root of 5028428556 is about 1713.2106336991.

The spelling of 5028428556 in words is "five billion, twenty-eight million, four hundred twenty-eight thousand, five hundred fifty-six".