33025837428 has 168 divisors, whose sum is σ = 87927985152. Its totient is φ = 10848079872.

The previous prime is 33025837421. The next prime is 33025837441. The reversal of 33025837428 is 82473852033.

33025837428 is a `hidden beast` number, since 3 + 3 + 0 + 258 + 374 + 28 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33025837421) 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 55 ways as a sum of consecutive naturals, for example, 95175151 + ... + 95175497.

It is an arithmetic number, because the mean of its divisors is an integer number (523380864).

Almost surely, 2^33025837428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33025837428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43963992576).

33025837428 is an abundant number, since it is smaller than the sum of its proper divisors (54902147724).

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

33025837428 is a wasteful number, since it uses less digits than its factorization.

33025837428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 33025837428 in words is "thirty-three billion, twenty-five million, eight hundred thirty-seven thousand, four hundred twenty-eight".