38636693760 has 576 divisors, whose sum is σ = 146932531200. Its totient is φ = 8466923520.

The previous prime is 38636693749. The next prime is 38636693789. The reversal of 38636693760 is 6739663683.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 38636693760.

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 63 ways as a sum of consecutive naturals, for example, 165822604 + ... + 165822836.

It is an arithmetic number, because the mean of its divisors is an integer number (255091200).

Almost surely, 2^38636693760 is an apocalyptic number.

38636693760 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38636693760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73466265600).

38636693760 is an abundant number, since it is smaller than the sum of its proper divisors (108295837440).

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

38636693760 is a wasteful number, since it uses less digits than its factorization.

38636693760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 57.

The spelling of 38636693760 in words is "thirty-eight billion, six hundred thirty-six million, six hundred ninety-three thousand, seven hundred sixty".