2142666080 has 96 divisors (see below), whose sum is σ = 5189184000. Its totient is φ = 835683840.

The previous prime is 2142666079. The next prime is 2142666137. The reversal of 2142666080 is 806662412.

It is a self number, because there is not a number n which added to its sum of digits gives 2142666080.

It is a congruent number.

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, 3752195 + ... + 3752765.

It is an arithmetic number, because the mean of its divisors is an integer number (54054000).

Almost surely, 2^2142666080 is an apocalyptic number.

2142666080 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 2142666080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2594592000).

2142666080 is an abundant number, since it is smaller than the sum of its proper divisors (3046517920).

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

2142666080 is a wasteful number, since it uses less digits than its factorization.

2142666080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132 (or 1124 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 2142666080 is about 46288.9412279002. The cubic root of 2142666080 is about 1289.1936711297.

The spelling of 2142666080 in words is "two billion, one hundred forty-two million, six hundred sixty-six thousand, eighty".