4518736020 has 72 divisors (see below), whose sum is σ = 13777958376. Its totient is φ = 1198743552.

The previous prime is 4518736003. The next prime is 4518736031. The reversal of 4518736020 is 206378154.

4518736020 is a `hidden beast` number, since 45 + 1 + 8 + 7 + 3 + 602 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 30272004 + 4488464016 = 5502^2 + 66996^2 .

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30297 + ... + 99776.

It is an arithmetic number, because the mean of its divisors is an integer number (191360533).

Almost surely, 2^4518736020 is an apocalyptic number.

It is an amenable number.

4518736020 is an abundant number, since it is smaller than the sum of its proper divisors (9259222356).

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

4518736020 is a wasteful number, since it uses less digits than its factorization.

4518736020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130281 (or 130276 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 4518736020 is about 67221.5443143045. The cubic root of 4518736020 is about 1653.2517471700.

The spelling of 4518736020 in words is "four billion, five hundred eighteen million, seven hundred thirty-six thousand, twenty".