2785320740 has 24 divisors (see below), whose sum is σ = 5851063680. Its totient is φ = 1113768288.

The previous prime is 2785320739. The next prime is 2785320757. The reversal of 2785320740 is 470235872.

It is a junction number, because it is equal to n+sod(n) for n = 2785320694 and 2785320703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46031 + ... + 87689.

It is an arithmetic number, because the mean of its divisors is an integer number (243794320).

Almost surely, 2^2785320740 is an apocalyptic number.

2785320740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2785320740 is an abundant number, since it is smaller than the sum of its proper divisors (3065742940).

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

2785320740 is a wasteful number, since it uses less digits than its factorization.

2785320740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45011 (or 45009 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 2785320740 is about 52776.1379792042. The cubic root of 2785320740 is about 1406.9923550005.

The spelling of 2785320740 in words is "two billion, seven hundred eighty-five million, three hundred twenty thousand, seven hundred forty".