240615039 has 24 divisors (see below), whose sum is σ = 379537920. Its totient is φ = 135159024.

The previous prime is 240615017. The next prime is 240615047. The reversal of 240615039 is 930516042.

It is not a de Polignac number, because 240615039 - 2⁷ = 240614911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240614997 and 240615015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240615539) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5199 + ... + 22544.

It is an arithmetic number, because the mean of its divisors is an integer number (15814080).

Almost surely, 2^240615039 is an apocalyptic number.

240615039 is a deficient number, since it is larger than the sum of its proper divisors (138922881).

240615039 is a wasteful number, since it uses less digits than its factorization.

240615039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27819 (or 27812 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 240615039 is about 15511.7709820639. The cubic root of 240615039 is about 621.9769009181.

The spelling of 240615039 in words is "two hundred forty million, six hundred fifteen thousand, thirty-nine".