2144373678 has 24 divisors (see below), whose sum is σ = 4663298016. Its totient is φ = 712152000.

The previous prime is 2144373661. The next prime is 2144373713. The reversal of 2144373678 is 8763734412.

2144373678 is a `hidden beast` number, since 214 + 4 + 373 + 67 + 8 = 666.

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 11 ways as a sum of consecutive naturals, for example, 214923 + ... + 224678.

It is an arithmetic number, because the mean of its divisors is an integer number (194304084).

Almost surely, 2^2144373678 is an apocalyptic number.

2144373678 is an abundant number, since it is smaller than the sum of its proper divisors (2518924338).

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

2144373678 is a wasteful number, since it uses less digits than its factorization.

2144373678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439880 (or 439877 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 2144373678 is about 46307.3825431756. The cubic root of 2144373678 is about 1289.5360545440.

The spelling of 2144373678 in words is "two billion, one hundred forty-four million, three hundred seventy-three thousand, six hundred seventy-eight".