33605406628 has 96 divisors (see below), whose sum is σ = 66730003200. Its totient is φ = 14731352064.

The previous prime is 33605406619. The next prime is 33605406661. The reversal of 33605406628 is 82660450633.

It is a super-2 number, since 2×33605406628² (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 (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6760528 + ... + 6765496.

It is an arithmetic number, because the mean of its divisors is an integer number (695104200).

Almost surely, 2^33605406628 is an apocalyptic number.

33605406628 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

33605406628 is a deficient number, since it is larger than the sum of its proper divisors (33124596572).

33605406628 is a wasteful number, since it uses less digits than its factorization.

33605406628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5141 (or 5139 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 33605406628 in words is "thirty-three billion, six hundred five million, four hundred six thousand, six hundred twenty-eight".