533131755540 has 24 divisors (see below), whose sum is σ = 1492768915680. Its totient is φ = 142168468128.

The previous prime is 533131755523. The next prime is 533131755587. The reversal of 533131755540 is 45557131335.

It is a junction number, because it is equal to n+sod(n) for n = 533131755492 and 533131755501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4442764570 + ... + 4442764689.

It is an arithmetic number, because the mean of its divisors is an integer number (62198704820).

Almost surely, 2^533131755540 is an apocalyptic number.

It is an amenable number.

533131755540 is an abundant number, since it is smaller than the sum of its proper divisors (959637160140).

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

533131755540 is a wasteful number, since it uses less digits than its factorization.

533131755540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8885529271 (or 8885529269 counting only the distinct ones).

The product of its (nonzero) digits is 472500, while the sum is 42.

Adding to 533131755540 its reverse (45557131335), we get a palindrome (578688886875).

The spelling of 533131755540 in words is "five hundred thirty-three billion, one hundred thirty-one million, seven hundred fifty-five thousand, five hundred forty".