288180920 has 16 divisors (see below), whose sum is σ = 648407160. Its totient is φ = 115272352.

The previous prime is 288180913. The next prime is 288180943. The reversal of 288180920 is 29081882.

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 3 ways as a sum of consecutive naturals, for example, 3602222 + ... + 3602301.

Almost surely, 2^288180920 is an apocalyptic number.

288180920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

288180920 is an abundant number, since it is smaller than the sum of its proper divisors (360226240).

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

288180920 is a wasteful number, since it uses less digits than its factorization.

288180920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7204534 (or 7204530 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 288180920 is about 16975.8923182259. The cubic root of 288180920 is about 660.5237043230.

The spelling of 288180920 in words is "two hundred eighty-eight million, one hundred eighty thousand, nine hundred twenty".