535503012420 has 96 divisors (see below), whose sum is σ = 1518025743360. Its totient is φ = 141031475200.

The previous prime is 535503012397. The next prime is 535503012427. The reversal of 535503012420 is 24210305535.

535503012420 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (535503012427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4550320 + ... + 4666520.

It is an arithmetic number, because the mean of its divisors is an integer number (15812768160).

Almost surely, 2^535503012420 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 535503012420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (759012871680).

535503012420 is an abundant number, since it is smaller than the sum of its proper divisors (982522730940).

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

535503012420 is a wasteful number, since it uses less digits than its factorization.

535503012420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117165 (or 117163 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 535503012420 its reverse (24210305535), we get a palindrome (559713317955).

The spelling of 535503012420 in words is "five hundred thirty-five billion, five hundred three million, twelve thousand, four hundred twenty".