33450242425 has 48 divisors (see below), whose sum is σ = 44367160320. Its totient is φ = 24943464000.

The previous prime is 33450242377. The next prime is 33450242429. The reversal of 33450242425 is 52424205433.

It is a de Polignac number, because none of the positive numbers 2^k-33450242425 is a prime.

It is a super-2 number, since 2×33450242425² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33450242429) 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 47 ways as a sum of consecutive naturals, for example, 27350364 + ... + 27351586.

It is an arithmetic number, because the mean of its divisors is an integer number (924315840).

Almost surely, 2^33450242425 is an apocalyptic number.

It is an amenable number.

33450242425 is a deficient number, since it is larger than the sum of its proper divisors (10916917895).

33450242425 is a wasteful number, since it uses less digits than its factorization.

33450242425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134 (or 2129 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 34.

Adding to 33450242425 its reverse (52424205433), we get a palindrome (85874447858).

The spelling of 33450242425 in words is "thirty-three billion, four hundred fifty million, two hundred forty-two thousand, four hundred twenty-five".