240685732 has 48 divisors (see below), whose sum is σ = 500088960. Its totient is φ = 99171072.

The previous prime is 240685723. The next prime is 240685733. The reversal of 240685732 is 237586042.

It is a junction number, because it is equal to n+sod(n) for n = 240685691 and 240685700.

It is not an unprimeable number, because it can be changed into a prime (240685733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253683 + ... + 254629.

It is an arithmetic number, because the mean of its divisors is an integer number (10418520).

Almost surely, 2^240685732 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240685732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250044480).

240685732 is an abundant number, since it is smaller than the sum of its proper divisors (259403228).

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

240685732 is a wasteful number, since it uses less digits than its factorization.

240685732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300 (or 1298 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 240685732 is about 15514.0495035951. The cubic root of 240685732 is about 622.0378074847.

The spelling of 240685732 in words is "two hundred forty million, six hundred eighty-five thousand, seven hundred thirty-two".