2861875835140 has 144 divisors (see below), whose sum is σ = 7108209263232. Its totient is φ = 947611348992.

The previous prime is 2861875835111. The next prime is 2861875835141. The reversal of 2861875835140 is 415385781682.

It is not an unprimeable number, because it can be changed into a prime (2861875835141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47654412 + ... + 47714428.

It is an arithmetic number, because the mean of its divisors is an integer number (49362564328).

Almost surely, 2^{2861875835140} is an apocalyptic number.

2861875835140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2861875835140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3554104631616).

2861875835140 is an abundant number, since it is smaller than the sum of its proper divisors (4246333428092).

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

2861875835140 is a wasteful number, since it uses less digits than its factorization.

2861875835140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60254 (or 60163 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 58.

The spelling of 2861875835140 in words is "two trillion, eight hundred sixty-one billion, eight hundred seventy-five million, eight hundred thirty-five thousand, one hundred forty".