2782080140 has 24 divisors (see below), whose sum is σ = 6676992672. Its totient is φ = 953856000.

The previous prime is 2782080127. The next prime is 2782080163. The reversal of 2782080140 is 410802872.

It is a junction number, because it is equal to n+sod(n) for n = 2782080097 and 2782080106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9935861 + ... + 9936140.

It is an arithmetic number, because the mean of its divisors is an integer number (278208028).

Almost surely, 2^2782080140 is an apocalyptic number.

2782080140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2782080140 is an abundant number, since it is smaller than the sum of its proper divisors (3894912532).

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

2782080140 is a wasteful number, since it uses less digits than its factorization.

2782080140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19872017 (or 19872015 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 2782080140 is about 52745.4276691355. The cubic root of 2782080140 is about 1406.4464850325.

The spelling of 2782080140 in words is "two billion, seven hundred eighty-two million, eighty thousand, one hundred forty".