535451225140 has 96 divisors (see below), whose sum is σ = 1227715211520. Its totient is φ = 194975333376.

The previous prime is 535451225129. The next prime is 535451225159. The reversal of 535451225140 is 41522154535.

It is a self number, because there is not a number n which added to its sum of digits gives 535451225140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12257217 + ... + 12300823.

It is an arithmetic number, because the mean of its divisors is an integer number (12788700120).

Almost surely, 2^535451225140 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 535451225140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (613857605760).

535451225140 is an abundant number, since it is smaller than the sum of its proper divisors (692263986380).

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

535451225140 is a wasteful number, since it uses less digits than its factorization.

535451225140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44281 (or 44279 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 535451225140 its reverse (41522154535), we get a palindrome (576973379675).

The spelling of 535451225140 in words is "five hundred thirty-five billion, four hundred fifty-one million, two hundred twenty-five thousand, one hundred forty".