2080784780040 has 128 divisors (see below), whose sum is σ = 6514259189760. Its totient is φ = 530710312704.

The previous prime is 2080784780027. The next prime is 2080784780057. The reversal of 2080784780040 is 400874870802.

It is a happy number.

It is a super-2 number, since 2×2080784780040² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55310917 + ... + 55348523.

It is an arithmetic number, because the mean of its divisors is an integer number (50892649920).

Almost surely, 2^{2080784780040} is an apocalyptic number.

2080784780040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2080784780040 is an abundant number, since it is smaller than the sum of its proper divisors (4433474409720).

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

2080784780040 is a wasteful number, since it uses less digits than its factorization.

2080784780040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57691 (or 57687 counting only the distinct ones).

The product of its (nonzero) digits is 802816, while the sum is 48.

The spelling of 2080784780040 in words is "two trillion, eighty billion, seven hundred eighty-four million, seven hundred eighty thousand, forty".