2645366656032 has 192 divisors, whose sum is σ = 8368773033600. Its totient is φ = 809676840960.

The previous prime is 2645366656001. The next prime is 2645366656081. The reversal of 2645366656032 is 2306566635462.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 2645366656032.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1594182 + ... + 2798597.

It is an arithmetic number, because the mean of its divisors is an integer number (43587359550).

Almost surely, 2^{2645366656032} is an apocalyptic number.

It is an amenable number.

2645366656032 is an abundant number, since it is smaller than the sum of its proper divisors (5723406377568).

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

2645366656032 is a wasteful number, since it uses less digits than its factorization.

2645366656032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4392856 (or 4392842 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 54.

The spelling of 2645366656032 in words is "two trillion, six hundred forty-five billion, three hundred sixty-six million, six hundred fifty-six thousand, thirty-two".