33684440050 has 24 divisors (see below), whose sum is σ = 66338534196. Its totient is φ = 12681200640.

The previous prime is 33684440047. The next prime is 33684440051. The reversal of 33684440050 is 5004448633.

It can be written as a sum of positive squares in 6 ways, for example, as 12790026649 + 20894413401 = 113093^2 + 144549^2 .

It is a super-2 number, since 2×33684440050² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33684439991 and 33684440009.

It is not an unprimeable number, because it can be changed into a prime (33684440051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19813527 + ... + 19815226.

Almost surely, 2^33684440050 is an apocalyptic number.

33684440050 is a deficient number, since it is larger than the sum of its proper divisors (32654094146).

33684440050 is a wasteful number, since it uses less digits than its factorization.

33684440050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39628782 (or 39628777 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 33684440050 its reverse (5004448633), we get a palindrome (38688888683).

The spelling of 33684440050 in words is "thirty-three billion, six hundred eighty-four million, four hundred forty thousand, fifty".