3109049520 has 80 divisors (see below), whose sum is σ = 9948982272. Its totient is φ = 802333440.

The previous prime is 3109049509. The next prime is 3109049527. The reversal of 3109049520 is 259409013.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (3109049527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201502 + ... + 216381.

Almost surely, 2^3109049520 is an apocalyptic number.

3109049520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3109049520 is an abundant number, since it is smaller than the sum of its proper divisors (6839932752).

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

3109049520 is a wasteful number, since it uses less digits than its factorization.

3109049520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417930 (or 417924 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 3109049520 is about 55758.8514946282. The cubic root of 3109049520 is about 1459.5171856965.

The spelling of 3109049520 in words is "three billion, one hundred nine million, forty-nine thousand, five hundred twenty".