5126028660 has 36 divisors (see below), whose sum is σ = 15548954148. Its totient is φ = 1366940928.

The previous prime is 5126028647. The next prime is 5126028671. The reversal of 5126028660 is 668206215.

5126028660 is a `hidden beast` number, since 512 + 6 + 0 + 2 + 86 + 60 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4045723236 + 1080305424 = 63606^2 + 32868^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14238789 + ... + 14239148.

It is an arithmetic number, because the mean of its divisors is an integer number (431915393).

Almost surely, 2^5126028660 is an apocalyptic number.

It is an amenable number.

5126028660 is an abundant number, since it is smaller than the sum of its proper divisors (10422925488).

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

5126028660 is a wasteful number, since it uses less digits than its factorization.

5126028660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28477952 (or 28477947 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 5126028660 is about 71596.2894289921. The cubic root of 5126028660 is about 1724.2239634713.

The spelling of 5126028660 in words is "five billion, one hundred twenty-six million, twenty-eight thousand, six hundred sixty".