2749169280 has 1024 divisors, whose sum is σ = 11844403200. Its totient is φ = 530841600.

The previous prime is 2749169237. The next prime is 2749169281. The reversal of 2749169280 is 829619472.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (2749169281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 88682865 + ... + 88682895.

It is an arithmetic number, because the mean of its divisors is an integer number (11566800).

Almost surely, 2^2749169280 is an apocalyptic number.

2749169280 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 2749169280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5922201600).

2749169280 is an abundant number, since it is smaller than the sum of its proper divisors (9095233920).

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

2749169280 is a wasteful number, since it uses less digits than its factorization.

2749169280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 2749169280 is about 52432.5212058318. The cubic root of 2749169280 is about 1400.8785777800.

The spelling of 2749169280 in words is "two billion, seven hundred forty-nine million, one hundred sixty-nine thousand, two hundred eighty".