36406646650 has 48 divisors (see below), whose sum is σ = 78217850880. Its totient is φ = 12460025600.

The previous prime is 36406646629. The next prime is 36406646657. The reversal of 36406646650 is 5664660463.

It is a self number, because there is not a number n which added to its sum of digits gives 36406646650.

It is not an unprimeable number, because it can be changed into a prime (36406646657) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1937530 + ... + 1956229.

It is an arithmetic number, because the mean of its divisors is an integer number (1629538560).

Almost surely, 2^36406646650 is an apocalyptic number.

36406646650 is an abundant number, since it is smaller than the sum of its proper divisors (41811204230).

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

36406646650 is a wasteful number, since it uses less digits than its factorization.

36406646650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3893799 (or 3893794 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 46.

The spelling of 36406646650 in words is "thirty-six billion, four hundred six million, six hundred forty-six thousand, six hundred fifty".