533213340 has 192 divisors, whose sum is σ = 1735534080. Its totient is φ = 120960000.

The previous prime is 533213297. The next prime is 533213353. The reversal of 533213340 is 43312335.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 533213340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1266330 + ... + 1266750.

It is an arithmetic number, because the mean of its divisors is an integer number (9039240).

Almost surely, 2^533213340 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 533213340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (867767040).

533213340 is an abundant number, since it is smaller than the sum of its proper divisors (1202320740).

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

533213340 is a wasteful number, since it uses less digits than its factorization.

533213340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 533213340 is about 23091.4126895693. The cubic root of 533213340 is about 810.8994428738.

Adding to 533213340 its reverse (43312335), we get a palindrome (576525675).

The spelling of 533213340 in words is "five hundred thirty-three million, two hundred thirteen thousand, three hundred forty".