2040005500 has 96 divisors (see below), whose sum is σ = 4819389120. Its totient is φ = 749894400.

The previous prime is 2040005497. The next prime is 2040005503. The reversal of 2040005500 is 55000402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2040005497) and next prime (2040005503).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040005503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1838946 + ... + 1840054.

It is an arithmetic number, because the mean of its divisors is an integer number (50201970).

Almost surely, 2^2040005500 is an apocalyptic number.

2040005500 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 2040005500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2409694560).

2040005500 is an abundant number, since it is smaller than the sum of its proper divisors (2779383620).

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

2040005500 is a wasteful number, since it uses less digits than its factorization.

2040005500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424 (or 1412 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 2040005500 is about 45166.4200485272. The cubic root of 2040005500 is about 1268.2662808567.

Adding to 2040005500 its reverse (55000402), we get a palindrome (2095005902).

The spelling of 2040005500 in words is "two billion, forty million, five thousand, five hundred".