36381838500 has 768 divisors, whose sum is σ = 140404992000. Its totient is φ = 8230118400.

The previous prime is 36381838487. The next prime is 36381838501. The reversal of 36381838500 is 583818363.

36381838500 is a `hidden beast` number, since 3 + 63 + 8 + 1 + 83 + 8 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (36381838501) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 375070452 + ... + 375070548.

It is an arithmetic number, because the mean of its divisors is an integer number (182819000).

Almost surely, 2^36381838500 is an apocalyptic number.

36381838500 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 36381838500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70202496000).

36381838500 is an abundant number, since it is smaller than the sum of its proper divisors (104023153500).

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

36381838500 is an frugal number, since it uses more digits than its factorization.

36381838500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 36381838500 in words is "thirty-six billion, three hundred eighty-one million, eight hundred thirty-eight thousand, five hundred".