33440020105 has 8 divisors (see below), whose sum is σ = 40130693064. Its totient is φ = 26750236800.

The previous prime is 33440020079. The next prime is 33440020151. The reversal of 33440020105 is 50102004433.

It can be written as a sum of positive squares in 4 ways, for example, as 5531904 + 33434488201 = 2352^2 + 182851^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33440020105 - 2⁵ = 33440020073 is a prime.

It is a super-2 number, since 2×33440020105² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136716 + ... + 292525.

It is an arithmetic number, because the mean of its divisors is an integer number (5016336633).

Almost surely, 2^33440020105 is an apocalyptic number.

It is an amenable number.

33440020105 is a deficient number, since it is larger than the sum of its proper divisors (6690672959).

33440020105 is a wasteful number, since it uses less digits than its factorization.

33440020105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444827.

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 33440020105 its reverse (50102004433), we get a palindrome (83542024538).

The spelling of 33440020105 in words is "thirty-three billion, four hundred forty million, twenty thousand, one hundred five".