533355125440 has 56 divisors (see below), whose sum is σ = 1325271558240. Its totient is φ = 204066306048.

The previous prime is 533355125323. The next prime is 533355125441. The reversal of 533355125440 is 44521553335.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 533355125393 and 533355125402.

It is not an unprimeable number, because it can be changed into a prime (533355125441) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 36226005 + ... + 36240724.

It is an arithmetic number, because the mean of its divisors is an integer number (23665563540).

Almost surely, 2^533355125440 is an apocalyptic number.

It is an amenable number.

533355125440 is an abundant number, since it is smaller than the sum of its proper divisors (791916432800).

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

533355125440 is a wasteful number, since it uses less digits than its factorization.

533355125440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72466769 (or 72466759 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 40.

Adding to 533355125440 its reverse (44521553335), we get a palindrome (577876678775).

The spelling of 533355125440 in words is "five hundred thirty-three billion, three hundred fifty-five million, one hundred twenty-five thousand, four hundred forty".