2645319680000 has 680 divisors, whose sum is σ = 7296680627280. Its totient is φ = 954204160000.

The previous prime is 2645319679999. The next prime is 2645319680011. The reversal of 2645319680000 is 869135462.

It is a tau number, because it is divible by the number of its divisors (680).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20193279935 + ... + 20193280065.

Almost surely, 2^{2645319680000} is an apocalyptic number.

2645319680000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2645319680000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3648340313640).

2645319680000 is an abundant number, since it is smaller than the sum of its proper divisors (4651360947280).

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

2645319680000 is an frugal number, since it uses more digits than its factorization.

2645319680000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 2645319680000 in words is "two trillion, six hundred forty-five billion, three hundred nineteen million, six hundred eighty thousand".