33605672442 has 16 divisors (see below), whose sum is σ = 67213911360. Its totient is φ = 11201463072.

The previous prime is 33605672413. The next prime is 33605672491. The reversal of 33605672442 is 24427650633.

It is a super-2 number, since 2×33605672442² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33605672394 and 33605672403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91659 + ... + 274977.

It is an arithmetic number, because the mean of its divisors is an integer number (4200869460).

Almost surely, 2^33605672442 is an apocalyptic number.

It is a pronic number, being equal to 183318×183319.

33605672442 is an abundant number, since it is smaller than the sum of its proper divisors (33608238918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33605672442 is a wasteful number, since it uses less digits than its factorization.

33605672442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213877.

The product of its (nonzero) digits is 725760, while the sum is 42.

The spelling of 33605672442 in words is "thirty-three billion, six hundred five million, six hundred seventy-two thousand, four hundred forty-two".