288030720 has 136 divisors (see below), whose sum is σ = 924836976. Its totient is φ = 76546048.

The previous prime is 288030713. The next prime is 288030739. The reversal of 288030720 is 27030882.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 982894 + ... + 983186.

Almost surely, 2^288030720 is an apocalyptic number.

288030720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 288030720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462418488).

288030720 is an abundant number, since it is smaller than the sum of its proper divisors (636806256).

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

288030720 is an frugal number, since it uses more digits than its factorization.

288030720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 288030720 is about 16971.4678210224. The cubic root of 288030720 is about 660.4089293157.

The spelling of 288030720 in words is "two hundred eighty-eight million, thirty thousand, seven hundred twenty".