4518097920 has 1056 divisors, whose sum is σ = 20162131200. Its totient is φ = 953745408.

The previous prime is 4518097901. The next prime is 4518097931. The reversal of 4518097920 is 297908154.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 155796466 + ... + 155796494.

Almost surely, 2^4518097920 is an apocalyptic number.

4518097920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4518097920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10081065600).

4518097920 is an abundant number, since it is smaller than the sum of its proper divisors (15644033280).

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

4518097920 is a wasteful number, since it uses less digits than its factorization.

4518097920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 4518097920 is about 67216.7979005248. The cubic root of 4518097920 is about 1653.1739238144.

The spelling of 4518097920 in words is "four billion, five hundred eighteen million, ninety-seven thousand, nine hundred twenty".