288886040 has 64 divisors (see below), whose sum is σ = 677872800. Its totient is φ = 110702592.

The previous prime is 288886033. The next prime is 288886043. The reversal of 288886040 is 40688882.

It is a junction number, because it is equal to n+sod(n) for n = 288885982 and 288886000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288886043) 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, 89576 + ... + 92744.

Almost surely, 2^288886040 is an apocalyptic number.

288886040 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 288886040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338936400).

288886040 is an abundant number, since it is smaller than the sum of its proper divisors (388986760).

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

288886040 is a wasteful number, since it uses less digits than its factorization.

288886040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276 (or 3272 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 44.

The square root of 288886040 is about 16996.6479048076. The cubic root of 288886040 is about 661.0619878499.

The spelling of 288886040 in words is "two hundred eighty-eight million, eight hundred eighty-six thousand, forty".