2750005280 has 96 divisors (see below), whose sum is σ = 7460631360. Its totient is φ = 947358720.

The previous prime is 2750005277. The next prime is 2750005331. The reversal of 2750005280 is 825000572.

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, 7679 + ... + 74558.

It is an arithmetic number, because the mean of its divisors is an integer number (77714910).

Almost surely, 2^2750005280 is an apocalyptic number.

2750005280 is a gapful number since it is divisible by the number (20) 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 2750005280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3730315680).

2750005280 is an abundant number, since it is smaller than the sum of its proper divisors (4710626080).

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

2750005280 is a wasteful number, since it uses less digits than its factorization.

2750005280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82282 (or 82274 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 2750005280 is about 52440.4927513081. The cubic root of 2750005280 is about 1401.0205619797.

The spelling of 2750005280 in words is "two billion, seven hundred fifty million, five thousand, two hundred eighty".