36501803520 has 640 divisors, whose sum is σ = 148655485440. Its totient is φ = 7431782400.

The previous prime is 36501803519. The next prime is 36501803573. The reversal of 36501803520 is 2530810563.

It is a tau number, because it is divible by the number of its divisors (640).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20266620 + ... + 20268420.

It is an arithmetic number, because the mean of its divisors is an integer number (232274196).

Almost surely, 2^36501803520 is an apocalyptic number.

36501803520 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 36501803520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74327742720).

36501803520 is an abundant number, since it is smaller than the sum of its proper divisors (112153681920).

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

36501803520 is a wasteful number, since it uses less digits than its factorization.

36501803520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876 (or 1860 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 36501803520 in words is "thirty-six billion, five hundred one million, eight hundred three thousand, five hundred twenty".