530302140 has 60 divisors (see below), whose sum is σ = 1663582536. Its totient is φ = 141413472.

The previous prime is 530302127. The next prime is 530302147. The reversal of 530302140 is 41203035.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530302147) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 162054 + ... + 165293.

Almost surely, 2^530302140 is an apocalyptic number.

It is an amenable number.

530302140 is an abundant number, since it is smaller than the sum of its proper divisors (1133280396).

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

530302140 is a wasteful number, since it uses less digits than its factorization.

530302140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327368 (or 327357 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 530302140 is about 23028.2899929630. The cubic root of 530302140 is about 809.4209853769.

Adding to 530302140 its reverse (41203035), we get a palindrome (571505175).

The spelling of 530302140 in words is "five hundred thirty million, three hundred two thousand, one hundred forty".