36640365280 has 192 divisors, whose sum is σ = 92665036800. Its totient is φ = 13658793984.

The previous prime is 36640365253. The next prime is 36640365313. The reversal of 36640365280 is 8256304663.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60362737 + ... + 60363343.

It is an arithmetic number, because the mean of its divisors is an integer number (482630400).

Almost surely, 2^36640365280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36640365280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46332518400).

36640365280 is an abundant number, since it is smaller than the sum of its proper divisors (56024671520).

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

36640365280 is a wasteful number, since it uses less digits than its factorization.

36640365280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041 (or 1033 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 36640365280 in words is "thirty-six billion, six hundred forty million, three hundred sixty-five thousand, two hundred eighty".