36936491616640 has 512 divisors, whose sum is σ = 118249269120000. Its totient is φ = 10906729021440.

The previous prime is 36936491616527. The next prime is 36936491616679. The reversal of 36936491616640 is 4661619463963.

It is a super-2 number, since 2×36936491616640² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

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, 45477144 + ... + 46282216.

It is an arithmetic number, because the mean of its divisors is an integer number (230955603750).

Almost surely, 2^{36936491616640} 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 36936491616640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59124634560000).

36936491616640 is an abundant number, since it is smaller than the sum of its proper divisors (81312777503360).

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

36936491616640 is a wasteful number, since it uses less digits than its factorization.

36936491616640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805143 (or 805117 counting only the distinct ones).

The product of its (nonzero) digits is 90699264, while the sum is 64.

The spelling of 36936491616640 in words is "thirty-six trillion, nine hundred thirty-six billion, four hundred ninety-one million, six hundred sixteen thousand, six hundred forty".