2865942860 has 24 divisors (see below), whose sum is σ = 6565615056. Its totient is φ = 1042160960.

The previous prime is 2865942857. The next prime is 2865942883. The reversal of 2865942860 is 682495682.

It is a junction number, because it is equal to n+sod(n) for n = 2865942799 and 2865942808.

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, 6513287 + ... + 6513726.

It is an arithmetic number, because the mean of its divisors is an integer number (273567294).

Almost surely, 2^2865942860 is an apocalyptic number.

2865942860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2865942860 is an abundant number, since it is smaller than the sum of its proper divisors (3699672196).

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

2865942860 is a wasteful number, since it uses less digits than its factorization.

2865942860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13027033 (or 13027031 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 50.

The square root of 2865942860 is about 53534.5015854262. The cubic root of 2865942860 is about 1420.4387422945.

The spelling of 2865942860 in words is "two billion, eight hundred sixty-five million, nine hundred forty-two thousand, eight hundred sixty".