505202216994 has 32 divisors (see below), whose sum is σ = 1130206320000. Its totient is φ = 167270530032.

The previous prime is 505202216989. The next prime is 505202217043. The reversal of 505202216994 is 499612202505.

505202216994 is a `hidden beast` number, since 5 + 0 + 520 + 22 + 16 + 9 + 94 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31386574 + ... + 31402665.

It is an arithmetic number, because the mean of its divisors is an integer number (35318947500).

Almost surely, 2^505202216994 is an apocalyptic number.

505202216994 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

505202216994 is an abundant number, since it is smaller than the sum of its proper divisors (625004103006).

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

505202216994 is a wasteful number, since it uses less digits than its factorization.

505202216994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62789399 (or 62789393 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 505202216994 in words is "five hundred five billion, two hundred two million, two hundred sixteen thousand, nine hundred ninety-four".