240736680 has 48 divisors (see below), whose sum is σ = 782395380. Its totient is φ = 64196352.

The previous prime is 240736673. The next prime is 240736681. The reversal of 240736680 is 86637042.

240736680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 229886244 + 10850436 = 15162^2 + 3294^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (240736681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 333997 + ... + 334716.

Almost surely, 2^240736680 is an apocalyptic number.

240736680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240736680 is an abundant number, since it is smaller than the sum of its proper divisors (541658700).

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

240736680 is a wasteful number, since it uses less digits than its factorization.

240736680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668730 (or 668723 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 240736680 is about 15515.6914122446. The cubic root of 240736680 is about 622.0816950693.

The spelling of 240736680 in words is "two hundred forty million, seven hundred thirty-six thousand, six hundred eighty".