36721378080 has 192 divisors, whose sum is σ = 128778491520. Its totient is φ = 9773042688.

The previous prime is 36721378079. The next prime is 36721378231. The reversal of 36721378080 is 8087312763.

36721378080 is a `hidden beast` number, since 367 + 2 + 137 + 80 + 80 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2251234 + ... + 2267486.

It is an arithmetic number, because the mean of its divisors is an integer number (670721310).

Almost surely, 2^36721378080 is an apocalyptic number.

36721378080 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 36721378080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64389245760).

36721378080 is an abundant number, since it is smaller than the sum of its proper divisors (92057113440).

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

36721378080 is a wasteful number, since it uses less digits than its factorization.

36721378080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16800 (or 16786 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 36721378080 in words is "thirty-six billion, seven hundred twenty-one million, three hundred seventy-eight thousand, eighty".