2871225140 has 48 divisors (see below), whose sum is σ = 6894031872. Its totient is φ = 983978496.

The previous prime is 2871225139. The next prime is 2871225143. The reversal of 2871225140 is 415221782.

2871225140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2871225097 and 2871225106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2871225143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 528317 + ... + 533723.

It is an arithmetic number, because the mean of its divisors is an integer number (143625664).

Almost surely, 2^2871225140 is an apocalyptic number.

2871225140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2871225140 is an abundant number, since it is smaller than the sum of its proper divisors (4022806732).

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

2871225140 is a wasteful number, since it uses less digits than its factorization.

2871225140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9216 (or 9214 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 2871225140 is about 53583.8141606213. The cubic root of 2871225140 is about 1421.3108869369.

The spelling of 2871225140 in words is "two billion, eight hundred seventy-one million, two hundred twenty-five thousand, one hundred forty".