501025540132 has 72 divisors (see below), whose sum is σ = 1004593201920. Its totient is φ = 217305500160.

The previous prime is 501025540129. The next prime is 501025540133. The reversal of 501025540132 is 231045520105.

It is a self number, because there is not a number n which added to its sum of digits gives 501025540132.

It is not an unprimeable number, because it can be changed into a prime (501025540133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9878157 + ... + 9928747.

It is an arithmetic number, because the mean of its divisors is an integer number (13952683360).

Almost surely, 2^501025540132 is an apocalyptic number.

501025540132 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

501025540132 is an abundant number, since it is smaller than the sum of its proper divisors (503567661788).

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

501025540132 is a wasteful number, since it uses less digits than its factorization.

501025540132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51301 (or 51282 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 501025540132 in words is "five hundred one billion, twenty-five million, five hundred forty thousand, one hundred thirty-two".