530404140 has 144 divisors (see below), whose sum is σ = 1740227328. Its totient is φ = 118242432.

The previous prime is 530404117. The next prime is 530404163. The reversal of 530404140 is 41404035.

It is an interprime number because it is at equal distance from previous prime (530404117) and next prime (530404163).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 776239 + ... + 776921.

It is an arithmetic number, because the mean of its divisors is an integer number (12084912).

Almost surely, 2^530404140 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 530404140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (870113664).

530404140 is an abundant number, since it is smaller than the sum of its proper divisors (1209823188).

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

530404140 is a wasteful number, since it uses less digits than its factorization.

530404140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 530404140 is about 23030.5045537435. The cubic root of 530404140 is about 809.4728775854.

Adding to 530404140 its reverse (41404035), we get a palindrome (571808175).

The spelling of 530404140 in words is "five hundred thirty million, four hundred four thousand, one hundred forty".