289044965088 has 72 divisors (see below), whose sum is σ = 896696321976. Its totient is φ = 87589382400.

The previous prime is 289044965087. The next prime is 289044965113. The reversal of 289044965088 is 880569440982.

289044965088 is a `hidden beast` number, since 2 + 8 + 90 + 4 + 496 + 50 + 8 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289044965087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45616303 + ... + 45622638.

It is an arithmetic number, because the mean of its divisors is an integer number (12454115583).

Almost surely, 2^289044965088 is an apocalyptic number.

It is an amenable number.

289044965088 is an abundant number, since it is smaller than the sum of its proper divisors (607651356888).

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

289044965088 is a wasteful number, since it uses less digits than its factorization.

289044965088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91238968 (or 91238957 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 63.

The spelling of 289044965088 in words is "two hundred eighty-nine billion, forty-four million, nine hundred sixty-five thousand, eighty-eight".