33650450136 has 80 divisors (see below), whose sum is σ = 94438515600. Its totient is φ = 11194670016.

The previous prime is 33650450111. The next prime is 33650450143. The reversal of 33650450136 is 63105405633.

It is a super-2 number, since 2×33650450136² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 33650450136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 278821 + ... + 380843.

It is an arithmetic number, because the mean of its divisors is an integer number (1180481445).

Almost surely, 2^33650450136 is an apocalyptic number.

33650450136 is a gapful number since it is divisible by the number (36) 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 33650450136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47219257800).

33650450136 is an abundant number, since it is smaller than the sum of its proper divisors (60788065464).

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

33650450136 is a wasteful number, since it uses less digits than its factorization.

33650450136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102550 (or 102537 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

Adding to 33650450136 its reverse (63105405633), we get a palindrome (96755855769).

The spelling of 33650450136 in words is "thirty-three billion, six hundred fifty million, four hundred fifty thousand, one hundred thirty-six".