533668320 has 72 divisors (see below), whose sum is σ = 1821148056. Its totient is φ = 142311168.

The previous prime is 533668309. The next prime is 533668327. The reversal of 533668320 is 23866335.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533668327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183862 + ... + 186741.

It is an arithmetic number, because the mean of its divisors is an integer number (25293723).

Almost surely, 2^533668320 is an apocalyptic number.

It is an amenable number.

533668320 is an abundant number, since it is smaller than the sum of its proper divisors (1287479736).

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

533668320 is a wasteful number, since it uses less digits than its factorization.

533668320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370624 (or 370613 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 533668320 is about 23101.2623031730. The cubic root of 533668320 is about 811.1300185886.

The spelling of 533668320 in words is "five hundred thirty-three million, six hundred sixty-eight thousand, three hundred twenty".