2749939120 has 40 divisors (see below), whose sum is σ = 6456930480. Its totient is φ = 1089081600.

The previous prime is 2749939111. The next prime is 2749939147. The reversal of 2749939120 is 219399472.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 162090 + ... + 178249.

It is an arithmetic number, because the mean of its divisors is an integer number (161423262).

Almost surely, 2^2749939120 is an apocalyptic number.

2749939120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2749939120 is an abundant number, since it is smaller than the sum of its proper divisors (3706991360).

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

2749939120 is a wasteful number, since it uses less digits than its factorization.

2749939120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340453 (or 340447 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 2749939120 is about 52439.8619372706. The cubic root of 2749939120 is about 1401.0093265754.

The spelling of 2749939120 in words is "two billion, seven hundred forty-nine million, nine hundred thirty-nine thousand, one hundred twenty".