533403343872 has 198 divisors, whose sum is σ = 1791651783168. Its totient is φ = 152400826368.

The previous prime is 533403343841. The next prime is 533403343877. The reversal of 533403343872 is 278343304335.

It is a happy number.

533403343872 is a `hidden beast` number, since 533 + 4 + 0 + 3 + 3 + 43 + 8 + 72 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533403343877) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 139008 + ... + 1042175.

Almost surely, 2^533403343872 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 533403343872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (895825891584).

533403343872 is an abundant number, since it is smaller than the sum of its proper divisors (1258248439296).

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

533403343872 is a wasteful number, since it uses less digits than its factorization.

533403343872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181223 (or 1181195 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 45.

The spelling of 533403343872 in words is "five hundred thirty-three billion, four hundred three million, three hundred forty-three thousand, eight hundred seventy-two".