2158084080 has 160 divisors (see below), whose sum is σ = 7528089600. Its totient is φ = 568159488.

The previous prime is 2158084073. The next prime is 2158084099. The reversal of 2158084080 is 804808512.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164317 + ... + 176963.

It is an arithmetic number, because the mean of its divisors is an integer number (47050560).

Almost surely, 2^2158084080 is an apocalyptic number.

2158084080 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 2158084080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3764044800).

2158084080 is an abundant number, since it is smaller than the sum of its proper divisors (5370005520).

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

2158084080 is a wasteful number, since it uses less digits than its factorization.

2158084080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12748 (or 12736 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 2158084080 is about 46455.1835643774. The cubic root of 2158084080 is about 1292.2785042466.

The spelling of 2158084080 in words is "two billion, one hundred fifty-eight million, eighty-four thousand, eighty".