2080140440 has 64 divisors (see below), whose sum is σ = 5358182400. Its totient is φ = 711957888.

The previous prime is 2080140379. The next prime is 2080140457. The reversal of 2080140440 is 440410802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163841 + ... + 176079.

It is an arithmetic number, because the mean of its divisors is an integer number (83721600).

Almost surely, 2^2080140440 is an apocalyptic number.

2080140440 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 2080140440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2679091200).

2080140440 is an abundant number, since it is smaller than the sum of its proper divisors (3278041960).

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

2080140440 is a wasteful number, since it uses less digits than its factorization.

2080140440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12864 (or 12860 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 2080140440 is about 45608.5566533299. The cubic root of 2080140440 is about 1276.5295885775.

The spelling of 2080140440 in words is "two billion, eighty million, one hundred forty thousand, four hundred forty".