4036386816 has 560 divisors, whose sum is σ = 15224394240. Its totient is φ = 1035141120.

The previous prime is 4036386791. The next prime is 4036386821. The reversal of 4036386816 is 6186836304.

4036386816 is a `hidden beast` number, since 4 + 0 + 3 + 638 + 6 + 8 + 1 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 51093465 + ... + 51093543.

Almost surely, 2^4036386816 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 4036386816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7612197120).

4036386816 is an abundant number, since it is smaller than the sum of its proper divisors (11188007424).

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

4036386816 is an equidigital number, since it uses as much as digits as its factorization.

4036386816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 4036386816 is about 63532.5650040985. The cubic root of 4036386816 is about 1592.1999025091.

The spelling of 4036386816 in words is "four billion, thirty-six million, three hundred eighty-six thousand, eight hundred sixteen".