501445085702252 has 72 divisors (see below), whose sum is σ = 966495452832000. Its totient is φ = 227179909468512.

The previous prime is 501445085702251. The next prime is 501445085702257. The reversal of 501445085702252 is 252207580544105.

It is a self number, because there is not a number n which added to its sum of digits gives 501445085702252.

It is not an unprimeable number, because it can be changed into a prime (501445085702251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 390563249 + ... + 391845047.

It is an arithmetic number, because the mean of its divisors is an integer number (13423547956000).

Almost surely, 2^{501445085702252} is an apocalyptic number.

It is an amenable number.

501445085702252 is a deficient number, since it is larger than the sum of its proper divisors (465050367129748).

501445085702252 is a wasteful number, since it uses less digits than its factorization.

501445085702252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293643 (or 1293622 counting only the distinct ones).

The product of its (nonzero) digits is 4480000, while the sum is 50.

The spelling of 501445085702252 in words is "five hundred one trillion, four hundred forty-five billion, eighty-five million, seven hundred two thousand, two hundred fifty-two".