2685475820 has 48 divisors (see below), whose sum is σ = 5735055648. Its totient is φ = 1056084480.

The previous prime is 2685475817. The next prime is 2685475867. The reversal of 2685475820 is 285745862.

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 15 ways as a sum of consecutive naturals, for example, 480482 + ... + 486038.

It is an arithmetic number, because the mean of its divisors is an integer number (119480326).

Almost surely, 2^2685475820 is an apocalyptic number.

2685475820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2685475820 is an abundant number, since it is smaller than the sum of its proper divisors (3049579828).

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

2685475820 is a wasteful number, since it uses less digits than its factorization.

2685475820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5970 (or 5968 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 47.

The square root of 2685475820 is about 51821.5767803335. The cubic root of 2685475820 is about 1389.9752975960.

The spelling of 2685475820 in words is "two billion, six hundred eighty-five million, four hundred seventy-five thousand, eight hundred twenty".