289914554328 has 32 divisors (see below), whose sum is σ = 828327298560. Its totient is φ = 82832729760.

The previous prime is 289914554299. The next prime is 289914554351. The reversal of 289914554328 is 823455419982.

It is a super-2 number, since 2×289914554328² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 862840768 + ... + 862841103.

It is an arithmetic number, because the mean of its divisors is an integer number (25885228080).

Almost surely, 2^289914554328 is an apocalyptic number.

289914554328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

289914554328 is an abundant number, since it is smaller than the sum of its proper divisors (538412744232).

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

289914554328 is a wasteful number, since it uses less digits than its factorization.

289914554328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725681887 (or 1725681883 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 60.

The spelling of 289914554328 in words is "two hundred eighty-nine billion, nine hundred fourteen million, five hundred fifty-four thousand, three hundred twenty-eight".