4068239616 has 432 divisors, whose sum is σ = 14149058560. Its totient is φ = 1099837440.

The previous prime is 4068239599. The next prime is 4068239639. The reversal of 4068239616 is 6169328604.

4068239616 is a `hidden beast` number, since 4 + 0 + 6 + 8 + 23 + 9 + 616 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39497421 + ... + 39497523.

Almost surely, 2^4068239616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4068239616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7074529280).

4068239616 is an abundant number, since it is smaller than the sum of its proper divisors (10080818944).

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

4068239616 is a wasteful number, since it uses less digits than its factorization.

4068239616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 4068239616 is about 63782.7532801775. The cubic root of 4068239616 is about 1596.3771697963.

The spelling of 4068239616 in words is "four billion, sixty-eight million, two hundred thirty-nine thousand, six hundred sixteen".