2150866880 has 168 divisors, whose sum is σ = 5543988912. Its totient is φ = 794271744.

The previous prime is 2150866871. The next prime is 2150866903. The reversal of 2150866880 is 886680512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4967144 + ... + 4967576.

It is an arithmetic number, because the mean of its divisors is an integer number (32999934).

Almost surely, 2^2150866880 is an apocalyptic number.

2150866880 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 2150866880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2771994456).

2150866880 is an abundant number, since it is smaller than the sum of its proper divisors (3393122032).

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

2150866880 is a wasteful number, since it uses less digits than its factorization.

2150866880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 44.

The square root of 2150866880 is about 46377.4393428529. The cubic root of 2150866880 is about 1290.8363224567.

It can be divided in two parts, 21508 and 66880, that added together give a palindrome (88388).

The spelling of 2150866880 in words is "two billion, one hundred fifty million, eight hundred sixty-six thousand, eight hundred eighty".