2389981360 has 40 divisors (see below), whose sum is σ = 5984148240. Its totient is φ = 882454272.

The previous prime is 2389981337. The next prime is 2389981361. The reversal of 2389981360 is 631899832.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×2389981360² = 11424021802294899200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2389981361) 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, 1147990 + ... + 1150069.

It is an arithmetic number, because the mean of its divisors is an integer number (149603706).

Almost surely, 2^2389981360 is an apocalyptic number.

2389981360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2389981360 is an abundant number, since it is smaller than the sum of its proper divisors (3594166880).

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

2389981360 is a wasteful number, since it uses less digits than its factorization.

2389981360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298085 (or 2298079 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 2389981360 is about 48887.4356046623. The cubic root of 2389981360 is about 1337.0002996620. Note that the first 3 decimals are identical.

The spelling of 2389981360 in words is "two billion, three hundred eighty-nine million, nine hundred eighty-one thousand, three hundred sixty".