2745857016 has 128 divisors (see below), whose sum is σ = 8732160000. Its totient is φ = 783167616.

The previous prime is 2745857011. The next prime is 2745857099. The reversal of 2745857016 is 6107585472.

2745857016 is a `hidden beast` number, since 2 + 74 + 5 + 8 + 570 + 1 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745857011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1143385 + ... + 1145783.

It is an arithmetic number, because the mean of its divisors is an integer number (68220000).

Almost surely, 2^2745857016 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 2745857016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4366080000).

2745857016 is an abundant number, since it is smaller than the sum of its proper divisors (5986302984).

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

2745857016 is a wasteful number, since it uses less digits than its factorization.

2745857016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3178 (or 3168 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The square root of 2745857016 is about 52400.9257170138. The cubic root of 2745857016 is about 1400.3157478303.

The spelling of 2745857016 in words is "two billion, seven hundred forty-five million, eight hundred fifty-seven thousand, sixteen".