2745544455472 has 160 divisors (see below), whose sum is σ = 6840882155520. Its totient is φ = 1037532672000.

The previous prime is 2745544455469. The next prime is 2745544455503.

2745544455472 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25094904 + ... + 25204072.

It is an arithmetic number, because the mean of its divisors is an integer number (42755513472).

Almost surely, 2^{2745544455472} 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 2745544455472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3420441077760).

2745544455472 is an abundant number, since it is smaller than the sum of its proper divisors (4095337700048).

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

2745544455472 is a wasteful number, since it uses less digits than its factorization.

2745544455472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109971 (or 109965 counting only the distinct ones).

The product of its digits is 125440000, while the sum is 58.

The spelling of 2745544455472 in words is "two trillion, seven hundred forty-five billion, five hundred forty-four million, four hundred fifty-five thousand, four hundred seventy-two".