33421154320 has 20 divisors (see below), whose sum is σ = 77704183980. Its totient is φ = 13368461696.

The previous prime is 33421154311. The next prime is 33421154339. The reversal of 33421154320 is 2345112433.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23395537936 + 10025616384 = 152956^2 + 100128^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×33421154320² (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 3 ways as a sum of consecutive naturals, for example, 208882135 + ... + 208882294.

It is an arithmetic number, because the mean of its divisors is an integer number (3885209199).

Almost surely, 2^33421154320 is an apocalyptic number.

It is an amenable number.

33421154320 is an abundant number, since it is smaller than the sum of its proper divisors (44283029660).

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

33421154320 is a wasteful number, since it uses less digits than its factorization.

33421154320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417764442 (or 417764436 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 33421154320 its reverse (2345112433), we get a palindrome (35766266753).

The spelling of 33421154320 in words is "thirty-three billion, four hundred twenty-one million, one hundred fifty-four thousand, three hundred twenty".