33420404352 has 64 divisors (see below), whose sum is σ = 88793415360. Its totient is φ = 11137566720.

The previous prime is 33420404323. The next prime is 33420404371. The reversal of 33420404352 is 25340402433.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×33420404352² (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, 2428852 + ... + 2442572.

It is an arithmetic number, because the mean of its divisors is an integer number (1387397115).

Almost surely, 2^33420404352 is an apocalyptic number.

33420404352 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

33420404352 is an abundant number, since it is smaller than the sum of its proper divisors (55373011008).

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

33420404352 is a wasteful number, since it uses less digits than its factorization.

33420404352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20081 (or 20069 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 33420404352 its reverse (25340402433), we get a palindrome (58760806785).

The spelling of 33420404352 in words is "thirty-three billion, four hundred twenty million, four hundred four thousand, three hundred fifty-two".