802738321218 has 32 divisors (see below), whose sum is σ = 1786561749120. Its totient is φ = 267174618480.

The previous prime is 802738321171. The next prime is 802738321223. The reversal of 802738321218 is 812123837208.

802738321218 is a `hidden beast` number, since 80 + 2 + 7 + 38 + 321 + 218 = 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, 11209030 + ... + 11280417.

It is an arithmetic number, because the mean of its divisors is an integer number (55830054660).

Almost surely, 2^802738321218 is an apocalyptic number.

802738321218 is an abundant number, since it is smaller than the sum of its proper divisors (983823427902).

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

802738321218 is a wasteful number, since it uses less digits than its factorization.

802738321218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22490119 (or 22490113 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 802738321218 in words is "eight hundred two billion, seven hundred thirty-eight million, three hundred twenty-one thousand, two hundred eighteen".