530505000840 has 128 divisors (see below), whose sum is σ = 1702506677760. Its totient is φ = 131773661184.

The previous prime is 530505000811. The next prime is 530505000853. The reversal of 530505000840 is 48000505035.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 530505000798 and 530505000807.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1142592 + ... + 1538351.

It is an arithmetic number, because the mean of its divisors is an integer number (13300833420).

Almost surely, 2^530505000840 is an apocalyptic number.

It is an amenable number.

530505000840 is an abundant number, since it is smaller than the sum of its proper divisors (1172001676920).

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

530505000840 is a wasteful number, since it uses less digits than its factorization.

530505000840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2681071 (or 2681067 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 530505000840 its reverse (48000505035), we get a palindrome (578505505875).

The spelling of 530505000840 in words is "five hundred thirty billion, five hundred five million, eight hundred forty", and thus it is an aban number.