530823440 has 80 divisors (see below), whose sum is σ = 1471834368. Its totient is φ = 174079488.

The previous prime is 530823427. The next prime is 530823443. The reversal of 530823440 is 44328035.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (530823443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7727 + ... + 33486.

Almost surely, 2^530823440 is an apocalyptic number.

It is an amenable number.

530823440 is an abundant number, since it is smaller than the sum of its proper divisors (941010928).

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

530823440 is a wasteful number, since it uses less digits than its factorization.

530823440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41256 (or 41250 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 530823440 is about 23039.6058994072. The cubic root of 530823440 is about 809.6861254047.

The spelling of 530823440 in words is "five hundred thirty million, eight hundred twenty-three thousand, four hundred forty".