3047993840 has 20 divisors (see below), whose sum is σ = 7086585864. Its totient is φ = 1219197504.

The previous prime is 3047993831. The next prime is 3047993863. The reversal of 3047993840 is 483997403.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 19049882 + ... + 19050041.

Almost surely, 2^3047993840 is an apocalyptic number.

It is an amenable number.

3047993840 is an abundant number, since it is smaller than the sum of its proper divisors (4038592024).

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

3047993840 is a wasteful number, since it uses less digits than its factorization.

3047993840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38099936 (or 38099930 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 3047993840 is about 55208.6391790270. The cubic root of 3047993840 is about 1449.8999280917.

The spelling of 3047993840 in words is "three billion, forty-seven million, nine hundred ninety-three thousand, eight hundred forty".