36539460720 has 640 divisors, whose sum is σ = 148204800000. Its totient is φ = 8270760960.

The previous prime is 36539460691. The next prime is 36539460751. The reversal of 36539460720 is 2706493563.

36539460720 is a `hidden beast` number, since 3 + 6 + 5 + 39 + 4 + 607 + 2 + 0 = 666.

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

It is a congruent number.

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 127 ways as a sum of consecutive naturals, for example, 110390955 + ... + 110391285.

It is an arithmetic number, because the mean of its divisors is an integer number (231570000).

Almost surely, 2^36539460720 is an apocalyptic number.

36539460720 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 36539460720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74102400000).

36539460720 is an abundant number, since it is smaller than the sum of its proper divisors (111665339280).

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

36539460720 is a wasteful number, since it uses less digits than its factorization.

36539460720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 45.

The spelling of 36539460720 in words is "thirty-six billion, five hundred thirty-nine million, four hundred sixty thousand, seven hundred twenty".