2144118550 has 48 divisors (see below), whose sum is σ = 4680995040. Its totient is φ = 715253760.

The previous prime is 2144118497. The next prime is 2144118601. The reversal of 2144118550 is 558114412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69835 + ... + 95734.

It is an arithmetic number, because the mean of its divisors is an integer number (97520730).

Almost surely, 2^2144118550 is an apocalyptic number.

2144118550 is an abundant number, since it is smaller than the sum of its proper divisors (2536876490).

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

2144118550 is a wasteful number, since it uses less digits than its factorization.

2144118550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165625 (or 165620 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 2144118550 is about 46304.6277384885. The cubic root of 2144118550 is about 1289.4849114362.

The spelling of 2144118550 in words is "two billion, one hundred forty-four million, one hundred eighteen thousand, five hundred fifty".