36013799640 has 256 divisors, whose sum is σ = 137560550400. Its totient is φ = 7336433664.

The previous prime is 36013799639. The next prime is 36013799659. The reversal of 36013799640 is 4699731063.

It is a self number, because there is not a number n which added to its sum of digits gives 36013799640.

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 63 ways as a sum of consecutive naturals, for example, 259819 + ... + 373541.

It is an arithmetic number, because the mean of its divisors is an integer number (537345900).

Almost surely, 2^36013799640 is an apocalyptic number.

36013799640 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 36013799640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68780275200).

36013799640 is an abundant number, since it is smaller than the sum of its proper divisors (101546750760).

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

36013799640 is a wasteful number, since it uses less digits than its factorization.

36013799640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113786 (or 113782 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 48.

The spelling of 36013799640 in words is "thirty-six billion, thirteen million, seven hundred ninety-nine thousand, six hundred forty".