2886787721040 has 160 divisors (see below), whose sum is σ = 8996504544000. Its totient is φ = 765729423360.

The previous prime is 2886787721029. The next prime is 2886787721047. The reversal of 2886787721040 is 401277876882.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2886787721047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251259616 + ... + 251271104.

It is an arithmetic number, because the mean of its divisors is an integer number (56228153400).

Almost surely, 2^{2886787721040} is an apocalyptic number.

2886787721040 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 2886787721040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4498252272000).

2886787721040 is an abundant number, since it is smaller than the sum of its proper divisors (6109716822960).

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

2886787721040 is a wasteful number, since it uses less digits than its factorization.

2886787721040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16965 (or 16959 counting only the distinct ones).

The product of its (nonzero) digits is 16859136, while the sum is 60.

The spelling of 2886787721040 in words is "two trillion, eight hundred eighty-six billion, seven hundred eighty-seven million, seven hundred twenty-one thousand, forty".