3118242720 has 48 divisors (see below), whose sum is σ = 9822466080. Its totient is φ = 831531264.

The previous prime is 3118242709. The next prime is 3118242737. The reversal of 3118242720 is 272428113.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 3247690 + ... + 3248649.

It is an arithmetic number, because the mean of its divisors is an integer number (204634710).

Almost surely, 2^3118242720 is an apocalyptic number.

3118242720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3118242720 is an abundant number, since it is smaller than the sum of its proper divisors (6704223360).

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

3118242720 is a wasteful number, since it uses less digits than its factorization.

3118242720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6496357 (or 6496349 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 3118242720 is about 55841.2277801984. The cubic root of 3118242720 is about 1460.9543269672.

The spelling of 3118242720 in words is "three billion, one hundred eighteen million, two hundred forty-two thousand, seven hundred twenty".