2489938180 has 24 divisors (see below), whose sum is σ = 5230030680. Its totient is φ = 995754240.

The previous prime is 2489938169. The next prime is 2489938181. The reversal of 2489938180 is 818399842.

It can be written as a sum of positive squares in 4 ways, for example, as 276423876 + 2213514304 = 16626^2 + 47048^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2489938181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102400 + ... + 124360.

It is an arithmetic number, because the mean of its divisors is an integer number (217917945).

Almost surely, 2^2489938180 is an apocalyptic number.

2489938180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2489938180 is an abundant number, since it is smaller than the sum of its proper divisors (2740092500).

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

2489938180 is a wasteful number, since it uses less digits than its factorization.

2489938180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27639 (or 27637 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 52.

The square root of 2489938180 is about 49899.2803555322. The cubic root of 2489938180 is about 1355.3855613168.

The spelling of 2489938180 in words is "two billion, four hundred eighty-nine million, nine hundred thirty-eight thousand, one hundred eighty".