33403421205252 has 72 divisors (see below), whose sum is σ = 98852400995712. Its totient is φ = 9311058172800.

The previous prime is 33403421205251. The next prime is 33403421205347. The reversal of 33403421205252 is 25250212430433.

33403421205252 is a `hidden beast` number, since 3 + 3 + 4 + 0 + 3 + 4 + 2 + 120 + 525 + 2 = 666.

It is a super-2 number, since 2×33403421205252² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (33403421205251) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1616492824 + ... + 1616513487.

Almost surely, 2^{33403421205252} is an apocalyptic number.

It is an amenable number.

33403421205252 is an abundant number, since it is smaller than the sum of its proper divisors (65448979790460).

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

33403421205252 is a wasteful number, since it uses less digits than its factorization.

33403421205252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233006369 (or 3233006364 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 33403421205252 its reverse (25250212430433), we get a palindrome (58653633635685).

The spelling of 33403421205252 in words is "thirty-three trillion, four hundred three billion, four hundred twenty-one million, two hundred five thousand, two hundred fifty-two".