4378937568 has 48 divisors (see below), whose sum is σ = 11805388560. Its totient is φ = 1420194816.

The previous prime is 4378937533. The next prime is 4378937569. The reversal of 4378937568 is 8657398734.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4378937569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612853 + ... + 619956.

It is an arithmetic number, because the mean of its divisors is an integer number (245945595).

Almost surely, 2^4378937568 is an apocalyptic number.

4378937568 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4378937568 is an abundant number, since it is smaller than the sum of its proper divisors (7426450992).

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

4378937568 is a wasteful number, since it uses less digits than its factorization.

4378937568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232859 (or 1232851 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 60.

The square root of 4378937568 is about 66173.5412986187. The cubic root of 4378937568 is about 1636.0236763849.

The spelling of 4378937568 in words is "four billion, three hundred seventy-eight million, nine hundred thirty-seven thousand, five hundred sixty-eight".