2141944064 has 72 divisors (see below), whose sum is σ = 4663263360. Its totient is φ = 975955968.

The previous prime is 2141944037. The next prime is 2141944073. The reversal of 2141944064 is 4604491412.

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, 258839 + ... + 266985.

Almost surely, 2^2141944064 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 2141944064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2331631680).

2141944064 is an abundant number, since it is smaller than the sum of its proper divisors (2521319296).

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

2141944064 is an equidigital number, since it uses as much as digits as its factorization.

2141944064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8255 (or 8241 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 2141944064 is about 46281.1415589547. The cubic root of 2141944064 is about 1289.0488479678.

The spelling of 2141944064 in words is "two billion, one hundred forty-one million, nine hundred forty-four thousand, sixty-four".