2147840180 has 96 divisors (see below), whose sum is σ = 5044757760. Its totient is φ = 763361280.

The previous prime is 2147840179. The next prime is 2147840203. The reversal of 2147840180 is 810487412.

It is a super-2 number, since 2×2147840180² = 9226434877644864800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2147840180.

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, 3249050 + ... + 3249710.

It is an arithmetic number, because the mean of its divisors is an integer number (52549560).

Almost surely, 2^2147840180 is an apocalyptic number.

2147840180 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 2147840180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2522378880).

2147840180 is an abundant number, since it is smaller than the sum of its proper divisors (2896917580).

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

2147840180 is a wasteful number, since it uses less digits than its factorization.

2147840180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209 (or 1207 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 2147840180 is about 46344.7966874384. The cubic root of 2147840180 is about 1290.2305499038.

The spelling of 2147840180 in words is "two billion, one hundred forty-seven million, eight hundred forty thousand, one hundred eighty".