2040420800 has 84 divisors (see below), whose sum is σ = 5477185896. Its totient is φ = 741964800.

The previous prime is 2040420799. The next prime is 2040420839. The reversal of 2040420800 is 80240402.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40367 + ... + 75566.

It is an arithmetic number, because the mean of its divisors is an integer number (65204594).

Almost surely, 2^2040420800 is an apocalyptic number.

2040420800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2040420800 is an abundant number, since it is smaller than the sum of its proper divisors (3436765096).

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

2040420800 is a wasteful number, since it uses less digits than its factorization.

2040420800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115966 (or 115951 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2040420800 is about 45171.0172566437. The cubic root of 2040420800 is about 1268.3523386718.

The spelling of 2040420800 in words is "two billion, forty million, four hundred twenty thousand, eight hundred".