533230440 has 128 divisors (see below), whose sum is σ = 1692057600. Its totient is φ = 134058240.

The previous prime is 533230433. The next prime is 533230447. The reversal of 533230440 is 44032335.

It is an interprime number because it is at equal distance from previous prime (533230433) and next prime (533230447).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 533230440.

It is not an unprimeable number, because it can be changed into a prime (533230447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 617449 + ... + 618311.

It is an arithmetic number, because the mean of its divisors is an integer number (13219200).

Almost surely, 2^533230440 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 533230440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (846028800).

533230440 is an abundant number, since it is smaller than the sum of its proper divisors (1158827160).

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

533230440 is a wasteful number, since it uses less digits than its factorization.

533230440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167 (or 1163 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 533230440 is about 23091.7829541160. The cubic root of 533230440 is about 810.9081112192.

Adding to 533230440 its reverse (44032335), we get a palindrome (577262775).

The spelling of 533230440 in words is "five hundred thirty-three million, two hundred thirty thousand, four hundred forty".