240685716 has 12 divisors (see below), whose sum is σ = 561600032. Its totient is φ = 80228568.

The previous prime is 240685691. The next prime is 240685723. The reversal of 240685716 is 617586042.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×240685716² = 115859227772865312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10028560 + ... + 10028583.

Almost surely, 2^240685716 is an apocalyptic number.

It is an amenable number.

240685716 is an abundant number, since it is smaller than the sum of its proper divisors (320914316).

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

240685716 is a wasteful number, since it uses less digits than its factorization.

240685716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20057150 (or 20057148 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 240685716 is about 15514.0489879335. The cubic root of 240685716 is about 622.0377937010.

The spelling of 240685716 in words is "two hundred forty million, six hundred eighty-five thousand, seven hundred sixteen".