2871650880000 has 4000 divisors, whose sum is σ = 13921131312000. Its totient is φ = 585252864000.

The previous prime is 2871650879969. The next prime is 2871650880061. The reversal of 2871650880000 is 880561782.

It is a tau number, because it is divible by the number of its divisors (4000).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 399 ways as a sum of consecutive naturals, for example, 151139519991 + ... + 151139520009.

It is an arithmetic number, because the mean of its divisors is an integer number (3480282828).

Almost surely, 2^{2871650880000} is an apocalyptic number.

2871650880000 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 2871650880000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6960565656000).

2871650880000 is an abundant number, since it is smaller than the sum of its proper divisors (11049480432000).

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

2871650880000 is an frugal number, since it uses more digits than its factorization.

2871650880000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The spelling of 2871650880000 in words is "two trillion, eight hundred seventy-one billion, six hundred fifty million, eight hundred eighty thousand".