3049216240 has 40 divisors (see below), whose sum is σ = 8102204640. Its totient is φ = 1045445376.

The previous prime is 3049216231. The next prime is 3049216241. The reversal of 3049216240 is 426129403.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3049216241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2721955 + ... + 2723074.

It is an arithmetic number, because the mean of its divisors is an integer number (202555116).

Almost surely, 2^3049216240 is an apocalyptic number.

It is an amenable number.

3049216240 is an abundant number, since it is smaller than the sum of its proper divisors (5052988400).

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

3049216240 is a wasteful number, since it uses less digits than its factorization.

3049216240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5445049 (or 5445043 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 3049216240 is about 55219.7088003912. The cubic root of 3049216240 is about 1450.0937299696.

The spelling of 3049216240 in words is "three billion, forty-nine million, two hundred sixteen thousand, two hundred forty".