530473140 has 72 divisors (see below), whose sum is σ = 1613620008. Its totient is φ = 141062400.

The previous prime is 530473121. The next prime is 530473157. The reversal of 530473140 is 41374035.

530473140 is a `hidden beast` number, since 53 + 0 + 473 + 140 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 96000804 + 434472336 = 9798^2 + 20844^2 .

It is a super-2 number, since 2×530473140² = 562803504522919200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63190 + ... + 71090.

It is an arithmetic number, because the mean of its divisors is an integer number (22411389).

Almost surely, 2^530473140 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 530473140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (806810004).

530473140 is an abundant number, since it is smaller than the sum of its proper divisors (1083146868).

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

530473140 is a wasteful number, since it uses less digits than its factorization.

530473140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8289 (or 8284 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 530473140 is about 23032.0025182354. The cubic root of 530473140 is about 809.5079773660.

The spelling of 530473140 in words is "five hundred thirty million, four hundred seventy-three thousand, one hundred forty".