33440138385 has 8 divisors (see below), whose sum is σ = 53504221440. Its totient is φ = 17834740464.

The previous prime is 33440138359. The next prime is 33440138443. The reversal of 33440138385 is 58383104433.

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

It is not a de Polignac number, because 33440138385 - 2⁹ = 33440137873 is a prime.

It is a super-2 number, since 2×33440138385² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1114671265 + ... + 1114671294.

It is an arithmetic number, because the mean of its divisors is an integer number (6688027680).

Almost surely, 2^33440138385 is an apocalyptic number.

It is an amenable number.

33440138385 is a deficient number, since it is larger than the sum of its proper divisors (20064083055).

33440138385 is a wasteful number, since it uses less digits than its factorization.

33440138385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229342567.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 33440138385 in words is "thirty-three billion, four hundred forty million, one hundred thirty-eight thousand, three hundred eighty-five".