2146644405332 has 12 divisors (see below), whose sum is σ = 4293288810720. Its totient is φ = 919990459416.

The previous prime is 2146644405313. The next prime is 2146644405341. The reversal of 2146644405332 is 2335044466412.

It is a happy number.

2146644405332 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38332935782 + ... + 38332935837.

It is an arithmetic number, because the mean of its divisors is an integer number (357774067560).

Almost surely, 2^{2146644405332} is an apocalyptic number.

It is an amenable number.

2146644405332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2146644405332 is a wasteful number, since it uses less digits than its factorization.

2146644405332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76665871630 (or 76665871628 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 44.

The spelling of 2146644405332 in words is "two trillion, one hundred forty-six billion, six hundred forty-four million, four hundred five thousand, three hundred thirty-two".