2180372148 has 24 divisors (see below), whose sum is σ = 5652816960. Its totient is φ = 726790680.

The previous prime is 2180372093. The next prime is 2180372167. The reversal of 2180372148 is 8412730812.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10094208 + ... + 10094423.

It is an arithmetic number, because the mean of its divisors is an integer number (235534040).

Almost surely, 2^2180372148 is an apocalyptic number.

It is an amenable number.

2180372148 is an abundant number, since it is smaller than the sum of its proper divisors (3472444812).

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

2180372148 is a wasteful number, since it uses less digits than its factorization.

2180372148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20188644 (or 20188636 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 2180372148 is about 46694.4552168670. The cubic root of 2180372148 is about 1296.7120358547.

The spelling of 2180372148 in words is "two billion, one hundred eighty million, three hundred seventy-two thousand, one hundred forty-eight".