2148945486272 has 112 divisors (see below), whose sum is σ = 4895114212800. Its totient is φ = 927212716032.

The previous prime is 2148945486257. The next prime is 2148945486293. The reversal of 2148945486272 is 2726845498412.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1597613 + ... + 2617299.

It is an arithmetic number, because the mean of its divisors is an integer number (43706376900).

Almost surely, 2^{2148945486272} 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 2148945486272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2447557106400).

2148945486272 is an abundant number, since it is smaller than the sum of its proper divisors (2746168726528).

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

2148945486272 is a wasteful number, since it uses less digits than its factorization.

2148945486272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019878 (or 1019868 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 62.

The spelling of 2148945486272 in words is "two trillion, one hundred forty-eight billion, nine hundred forty-five million, four hundred eighty-six thousand, two hundred seventy-two".