2043618520 has 64 divisors (see below), whose sum is σ = 4694526720. Its totient is φ = 800377344.

The previous prime is 2043618481. The next prime is 2043618539. The reversal of 2043618520 is 258163402.

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 15 ways as a sum of consecutive naturals, for example, 1829002 + ... + 1830118.

It is an arithmetic number, because the mean of its divisors is an integer number (73351980).

Almost surely, 2^2043618520 is an apocalyptic number.

2043618520 is a gapful number since it is divisible by the number (20) 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 2043618520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2347263360).

2043618520 is an abundant number, since it is smaller than the sum of its proper divisors (2650908200).

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

2043618520 is a wasteful number, since it uses less digits than its factorization.

2043618520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044 (or 2040 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2043618520 is about 45206.3991045516. The cubic root of 2043618520 is about 1269.0145744114.

The spelling of 2043618520 in words is "two billion, forty-three million, six hundred eighteen thousand, five hundred twenty".