2644020407196 has 192 divisors, whose sum is σ = 8350642944000. Its totient is φ = 706224780288.

The previous prime is 2644020407167. The next prime is 2644020407221. The reversal of 2644020407196 is 6917040204462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1224585 + ... + 2605311.

It is an arithmetic number, because the mean of its divisors is an integer number (43492932000).

Almost surely, 2^{2644020407196} 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 2644020407196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4175321472000).

2644020407196 is an abundant number, since it is smaller than the sum of its proper divisors (5706622536804).

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

2644020407196 is a wasteful number, since it uses less digits than its factorization.

2644020407196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380913 (or 1380905 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 2644020407196 in words is "two trillion, six hundred forty-four billion, twenty million, four hundred seven thousand, one hundred ninety-six".