288741840 has 160 divisors (see below), whose sum is σ = 921607680. Its totient is φ = 74760192.

The previous prime is 288741833. The next prime is 288741851. The reversal of 288741840 is 48147882.

It is a junction number, because it is equal to n+sod(n) for n = 288741792 and 288741801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1839042 + ... + 1839198.

It is an arithmetic number, because the mean of its divisors is an integer number (5760048).

Almost surely, 2^288741840 is an apocalyptic number.

288741840 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 288741840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (460803840).

288741840 is an abundant number, since it is smaller than the sum of its proper divisors (632865840).

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

288741840 is a wasteful number, since it uses less digits than its factorization.

288741840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 42.

The square root of 288741840 is about 16992.4053623965. The cubic root of 288741840 is about 660.9519779144.

The spelling of 288741840 in words is "two hundred eighty-eight million, seven hundred forty-one thousand, eight hundred forty".