3120780624 has 40 divisors (see below), whose sum is σ = 8682173472. Its totient is φ = 960240000.

The previous prime is 3120780613. The next prime is 3120780629. The reversal of 3120780624 is 4260870213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120780629) 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 7 ways as a sum of consecutive naturals, for example, 2500002 + ... + 2501249.

Almost surely, 2^3120780624 is an apocalyptic number.

It is an amenable number.

3120780624 is an abundant number, since it is smaller than the sum of its proper divisors (5561392848).

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

3120780624 is a wasteful number, since it uses less digits than its factorization.

3120780624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001275 (or 5001269 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 3120780624 is about 55863.9474437673. The cubic root of 3120780624 is about 1461.3505711251.

The spelling of 3120780624 in words is "three billion, one hundred twenty million, seven hundred eighty thousand, six hundred twenty-four".