240667680 has 192 divisors, whose sum is σ = 870912000. Its totient is φ = 55249920.

The previous prime is 240667673. The next prime is 240667681. The reversal of 240667680 is 86766042.

It is not an unprimeable number, because it can be changed into a prime (240667681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99121 + ... + 101519.

It is an arithmetic number, because the mean of its divisors is an integer number (4536000).

Almost surely, 2^240667680 is an apocalyptic number.

240667680 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 240667680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435456000).

240667680 is an abundant number, since it is smaller than the sum of its proper divisors (630244320).

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

240667680 is a wasteful number, since it uses less digits than its factorization.

240667680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447 (or 2439 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 240667680 is about 15513.4676974557. The cubic root of 240667680 is about 622.0222556595.

The spelling of 240667680 in words is "two hundred forty million, six hundred sixty-seven thousand, six hundred eighty".