530925840 has 240 divisors, whose sum is σ = 1910877696. Its totient is φ = 136857600.

The previous prime is 530925803. The next prime is 530925847. The reversal of 530925840 is 48529035.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 530925795 and 530925804.

It is not an unprimeable number, because it can be changed into a prime (530925847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 602200 + ... + 603080.

Almost surely, 2^530925840 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 530925840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (955438848).

530925840 is an abundant number, since it is smaller than the sum of its proper divisors (1379951856).

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

530925840 is a wasteful number, since it uses less digits than its factorization.

530925840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940 (or 922 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 530925840 is about 23041.8280524788. The cubic root of 530925840 is about 809.7381869893.

The spelling of 530925840 in words is "five hundred thirty million, nine hundred twenty-five thousand, eight hundred forty".