530555445042 has 128 divisors (see below), whose sum is σ = 1303059529728. Its totient is φ = 140559283200.

The previous prime is 530555444893. The next prime is 530555445047. The reversal of 530555445042 is 240544555035.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 530555444985 and 530555445003.

It is not an unprimeable number, because it can be changed into a prime (530555445047) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 92412292 + ... + 92418032.

It is an arithmetic number, because the mean of its divisors is an integer number (10180152576).

Almost surely, 2^530555445042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530555445042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (651529764864).

530555445042 is an abundant number, since it is smaller than the sum of its proper divisors (772504084686).

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

530555445042 is a wasteful number, since it uses less digits than its factorization.

530555445042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7664.

The product of its (nonzero) digits is 1200000, while the sum is 42.

The spelling of 530555445042 in words is "five hundred thirty billion, five hundred fifty-five million, four hundred forty-five thousand, forty-two".