2861803140 has 48 divisors (see below), whose sum is σ = 9157771392. Its totient is φ = 654126336.

The previous prime is 2861803097. The next prime is 2861803151. The reversal of 2861803140 is 413081682.

It is a super-2 number, since 2×2861803140² = 16379834424227719200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3406489 + ... + 3407328.

It is an arithmetic number, because the mean of its divisors is an integer number (190786904).

Almost surely, 2^2861803140 is an apocalyptic number.

2861803140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2861803140 is an abundant number, since it is smaller than the sum of its proper divisors (6295968252).

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

2861803140 is a wasteful number, since it uses less digits than its factorization.

2861803140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6813836 (or 6813834 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 2861803140 is about 53495.8235753035. The cubic root of 2861803140 is about 1419.7544936934.

The spelling of 2861803140 in words is "two billion, eight hundred sixty-one million, eight hundred three thousand, one hundred forty".