33361889408 has 32 divisors (see below), whose sum is σ = 66473527500. Its totient is φ = 16678337536.

The previous prime is 33361889387. The next prime is 33361889467. The reversal of 33361889408 is 80498816333.

It can be written as a sum of positive squares in 2 ways, for example, as 33354447424 + 7441984 = 182632^2 + 2728^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×33361889408³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 33361889408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001078 + ... + 1033866.

Almost surely, 2^33361889408 is an apocalyptic number.

It is an amenable number.

33361889408 is a deficient number, since it is larger than the sum of its proper divisors (33111638092).

33361889408 is an equidigital number, since it uses as much as digits as its factorization.

33361889408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40752 (or 40740 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 53.

The spelling of 33361889408 in words is "thirty-three billion, three hundred sixty-one million, eight hundred eighty-nine thousand, four hundred eight".