4518739872 has 60 divisors (see below), whose sum is σ = 13289496066. Its totient is φ = 1506245760.

The previous prime is 4518739853. The next prime is 4518739877. The reversal of 4518739872 is 2789378154.

It is a happy number.

4518739872 is a `hidden beast` number, since 4 + 5 + 187 + 398 + 72 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4110861456 + 407878416 = 64116^2 + 20196^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (4518739877) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 869079 + ... + 874262.

Almost surely, 2^4518739872 is an apocalyptic number.

It is an amenable number.

4518739872 is an abundant number, since it is smaller than the sum of its proper divisors (8770756194).

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

4518739872 is a wasteful number, since it uses less digits than its factorization.

4518739872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743363 (or 1743346 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 4518739872 is about 67221.5729658270. The cubic root of 4518739872 is about 1653.2522169418.

The spelling of 4518739872 in words is "four billion, five hundred eighteen million, seven hundred thirty-nine thousand, eight hundred seventy-two".