533323840 has 224 divisors, whose sum is σ = 1528876800. Its totient is φ = 177020928.

The previous prime is 533323837. The next prime is 533323841. The reversal of 533323840 is 48323335.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533323841) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4719624 + ... + 4719736.

Almost surely, 2^533323840 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 533323840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (764438400).

533323840 is an abundant number, since it is smaller than the sum of its proper divisors (995552960).

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

533323840 is a wasteful number, since it uses less digits than its factorization.

533323840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 533323840 is about 23093.8052299746. The cubic root of 533323840 is about 810.9554543503.

The spelling of 533323840 in words is "five hundred thirty-three million, three hundred twenty-three thousand, eight hundred forty".