2745769552 has 40 divisors (see below), whose sum is σ = 5649020136. Its totient is φ = 1288421376.

The previous prime is 2745769529. The next prime is 2745769573. The reversal of 2745769552 is 2559675472.

It can be written as a sum of positive squares in 4 ways, for example, as 1551099456 + 1194670096 = 39384^2 + 34564^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2745769552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81718 + ... + 110314.

Almost surely, 2^2745769552 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 2745769552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2824510068).

2745769552 is an abundant number, since it is smaller than the sum of its proper divisors (2903250584).

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

2745769552 is a wasteful number, since it uses less digits than its factorization.

2745769552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28975 (or 28969 counting only the distinct ones).

The product of its digits is 5292000, while the sum is 52.

The square root of 2745769552 is about 52400.0911449589. The cubic root of 2745769552 is about 1400.3008795498.

The spelling of 2745769552 in words is "two billion, seven hundred forty-five million, seven hundred sixty-nine thousand, five hundred fifty-two".