289249176940 has 12 divisors (see below), whose sum is σ = 607423271616. Its totient is φ = 115699670768.

The previous prime is 289249176919. The next prime is 289249176949. The reversal of 289249176940 is 49671942982.

It is not an unprimeable number, because it can be changed into a prime (289249176949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7231229404 + ... + 7231229443.

It is an arithmetic number, because the mean of its divisors is an integer number (50618605968).

Almost surely, 2^289249176940 is an apocalyptic number.

289249176940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

289249176940 is an abundant number, since it is smaller than the sum of its proper divisors (318174094676).

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

289249176940 is a wasteful number, since it uses less digits than its factorization.

289249176940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14462458856 (or 14462458854 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 61.

The spelling of 289249176940 in words is "two hundred eighty-nine billion, two hundred forty-nine million, one hundred seventy-six thousand, nine hundred forty".