2745582216 has 64 divisors (see below), whose sum is σ = 7430814720. Its totient is φ = 840353280.

The previous prime is 2745582209. The next prime is 2745582223. The reversal of 2745582216 is 6122855472.

It is an interprime number because it is at equal distance from previous prime (2745582209) and next prime (2745582223).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36556 + ... + 82628.

It is an arithmetic number, because the mean of its divisors is an integer number (116106480).

Almost surely, 2^2745582216 is an apocalyptic number.

2745582216 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2745582216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3715407360).

2745582216 is an abundant number, since it is smaller than the sum of its proper divisors (4685232504).

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

2745582216 is a wasteful number, since it uses less digits than its factorization.

2745582216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46286 (or 46282 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The square root of 2745582216 is about 52398.3035603253. The cubic root of 2745582216 is about 1400.2690326515.

The spelling of 2745582216 in words is "two billion, seven hundred forty-five million, five hundred eighty-two thousand, two hundred sixteen".