2144931960 has 32 divisors (see below), whose sum is σ = 6434796240. Its totient is φ = 571981824.

The previous prime is 2144931949. The next prime is 2144932043. The reversal of 2144931960 is 691394412.

It is a super-2 number, since 2×2144931960² = 9201466226058883200, which contains 22 as substring.

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, 8937097 + ... + 8937336.

Almost surely, 2^2144931960 is an apocalyptic number.

2144931960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144931960 is an abundant number, since it is smaller than the sum of its proper divisors (4289864280).

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

2144931960 is a wasteful number, since it uses less digits than its factorization.

2144931960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17874447 (or 17874443 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 2144931960 is about 46313.4101530000. The cubic root of 2144931960 is about 1289.6479539310.

The spelling of 2144931960 in words is "two billion, one hundred forty-four million, nine hundred thirty-one thousand, nine hundred sixty".