2117146044 has 96 divisors (see below), whose sum is σ = 5743019520. Its totient is φ = 601590528.

The previous prime is 2117146033. The next prime is 2117146049. The reversal of 2117146044 is 4406417112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2117146049) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 93879 + ... + 114225.

It is an arithmetic number, because the mean of its divisors is an integer number (59823120).

Almost surely, 2^2117146044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2117146044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2871509760).

2117146044 is an abundant number, since it is smaller than the sum of its proper divisors (3625873476).

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

2117146044 is a wasteful number, since it uses less digits than its factorization.

2117146044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20419 (or 20417 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 2117146044 is about 46012.4553137517. The cubic root of 2117146044 is about 1284.0549393715.

The spelling of 2117146044 in words is "two billion, one hundred seventeen million, one hundred forty-six thousand, forty-four".