288987480 has 64 divisors (see below), whose sum is σ = 963295200. Its totient is φ = 77063040.

The previous prime is 288987463. The next prime is 288987481. The reversal of 288987480 is 84789882.

288987480 is a `hidden beast` number, since 2 + 8 + 89 + 87 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288987481) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 132711 + ... + 134870.

Almost surely, 2^288987480 is an apocalyptic number.

288987480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

288987480 is an abundant number, since it is smaller than the sum of its proper divisors (674307720).

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

288987480 is a wasteful number, since it uses less digits than its factorization.

288987480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267601 (or 267591 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 54.

The square root of 288987480 is about 16999.6317607176. The cubic root of 288987480 is about 661.1393543212.

The spelling of 288987480 in words is "two hundred eighty-eight million, nine hundred eighty-seven thousand, four hundred eighty".