2449820180 has 12 divisors (see below), whose sum is σ = 5144622420. Its totient is φ = 979928064.

The previous prime is 2449820161. The next prime is 2449820273. The reversal of 2449820180 is 810289442.

It can be written as a sum of positive squares in 2 ways, for example, as 1784386564 + 665433616 = 42242^2 + 25796^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61245485 + ... + 61245524.

It is an arithmetic number, because the mean of its divisors is an integer number (428718535).

Almost surely, 2^2449820180 is an apocalyptic number.

2449820180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2449820180 is an abundant number, since it is smaller than the sum of its proper divisors (2694802240).

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

2449820180 is a wasteful number, since it uses less digits than its factorization.

2449820180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122491018 (or 122491016 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 2449820180 is about 49495.6581934214. The cubic root of 2449820180 is about 1348.0667674079.

The spelling of 2449820180 in words is "two billion, four hundred forty-nine million, eight hundred twenty thousand, one hundred eighty".