505202216988 has 48 divisors (see below), whose sum is σ = 1364259169280. Its totient is φ = 142516355904.

The previous prime is 505202216971. The next prime is 505202216989. The reversal of 505202216988 is 889612202505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505202216989) 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, 38058631 + ... + 38071902.

Almost surely, 2^505202216988 is an apocalyptic number.

It is an amenable number.

505202216988 is an abundant number, since it is smaller than the sum of its proper divisors (859056952292).

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

505202216988 is a wasteful number, since it uses less digits than its factorization.

505202216988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76130626 (or 76130624 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 48.

The spelling of 505202216988 in words is "five hundred five billion, two hundred two million, two hundred sixteen thousand, nine hundred eighty-eight".