230618240 has 64 divisors (see below), whose sum is σ = 575328960. Its totient is φ = 88230912.

The previous prime is 230618233. The next prime is 230618251. The reversal of 230618240 is 42816032.

It is a tau number, because it is divible by the number of its divisors (64).

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, 6887 + ... + 22553.

It is an arithmetic number, because the mean of its divisors is an integer number (8989515).

Almost surely, 2^230618240 is an apocalyptic number.

230618240 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 230618240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287664480).

230618240 is an abundant number, since it is smaller than the sum of its proper divisors (344710720).

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

230618240 is a wasteful number, since it uses less digits than its factorization.

230618240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15709 (or 15697 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 230618240 is about 15186.1199784540. The cubic root of 230618240 is about 613.2410489172.

The spelling of 230618240 in words is "two hundred thirty million, six hundred eighteen thousand, two hundred forty".