288881180 has 48 divisors (see below), whose sum is σ = 717232320. Its totient is φ = 95628288.

The previous prime is 288881143. The next prime is 288881183. The reversal of 288881180 is 81188882.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288881183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31517 + ... + 39636.

It is an arithmetic number, because the mean of its divisors is an integer number (14942340).

Almost surely, 2^288881180 is an apocalyptic number.

288881180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

288881180 is an abundant number, since it is smaller than the sum of its proper divisors (428351140).

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

288881180 is a wasteful number, since it uses less digits than its factorization.

288881180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71198 (or 71196 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 44.

The square root of 288881180 is about 16996.5049348388. The cubic root of 288881180 is about 661.0582807603.

The spelling of 288881180 in words is "two hundred eighty-eight million, eight hundred eighty-one thousand, one hundred eighty".