1836636230550 has 96 divisors (see below), whose sum is σ = 4970961016704. Its totient is φ = 445063680000.

The previous prime is 1836636230489. The next prime is 1836636230557. The reversal of 1836636230550 is 550326366381.

It is a self number, because there is not a number n which added to its sum of digits gives 1836636230550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1836636230557) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 3844950 + ... + 4296150.

It is an arithmetic number, because the mean of its divisors is an integer number (51780843924).

Almost surely, 2^{1836636230550} is an apocalyptic number.

1836636230550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1836636230550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2485480508352).

1836636230550 is an abundant number, since it is smaller than the sum of its proper divisors (3134324786154).

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

1836636230550 is a wasteful number, since it uses less digits than its factorization.

1836636230550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453694 (or 453689 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 1836636230550 in words is "one trillion, eight hundred thirty-six billion, six hundred thirty-six million, two hundred thirty thousand, five hundred fifty".