502225440252 has 48 divisors (see below), whose sum is σ = 1306097130240. Its totient is φ = 149268241152.

The previous prime is 502225440151. The next prime is 502225440257. The reversal of 502225440252 is 252044522205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502225440257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64782688 + ... + 64790439.

It is an arithmetic number, because the mean of its divisors is an integer number (27210356880).

Almost surely, 2^502225440252 is an apocalyptic number.

It is an amenable number.

502225440252 is an abundant number, since it is smaller than the sum of its proper divisors (803871689988).

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

502225440252 is a wasteful number, since it uses less digits than its factorization.

502225440252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129573170 (or 129573168 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 33.

Adding to 502225440252 its reverse (252044522205), we get a palindrome (754269962457).

The spelling of 502225440252 in words is "five hundred two billion, two hundred twenty-five million, four hundred forty thousand, two hundred fifty-two".