2866721760 has 384 divisors, whose sum is σ = 11716669440. Its totient is φ = 640991232.

The previous prime is 2866721723. The next prime is 2866721783. The reversal of 2866721760 is 671276682.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1420272 + ... + 1422288.

It is an arithmetic number, because the mean of its divisors is an integer number (30512160).

Almost surely, 2^2866721760 is an apocalyptic number.

2866721760 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 2866721760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5858334720).

2866721760 is an abundant number, since it is smaller than the sum of its proper divisors (8849947680).

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

2866721760 is a wasteful number, since it uses less digits than its factorization.

2866721760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095 (or 2081 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 2866721760 is about 53541.7758390586. The cubic root of 2866721760 is about 1420.5674119360.

The spelling of 2866721760 in words is "two billion, eight hundred sixty-six million, seven hundred twenty-one thousand, seven hundred sixty".