2143886880 has 96 divisors (see below), whose sum is σ = 6759643968. Its totient is φ = 571161600.

The previous prime is 2143886863. The next prime is 2143886951. The reversal of 2143886880 is 886883412.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×2143886880² = 9192501908472268800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 964170 + ... + 966390.

It is an arithmetic number, because the mean of its divisors is an integer number (70412958).

Almost surely, 2^2143886880 is an apocalyptic number.

2143886880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2143886880 is an abundant number, since it is smaller than the sum of its proper divisors (4615757088).

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

2143886880 is a wasteful number, since it uses less digits than its factorization.

2143886880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4250 (or 4242 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 48.

The square root of 2143886880 is about 46302.1260850946. The cubic root of 2143886880 is about 1289.4384672180.

The spelling of 2143886880 in words is "two billion, one hundred forty-three million, eight hundred eighty-six thousand, eight hundred eighty".