240509695 has 16 divisors (see below), whose sum is σ = 304345440. Its totient is φ = 181954944.

The previous prime is 240509663. The next prime is 240509701. The reversal of 240509695 is 596905042.

It is not a de Polignac number, because 240509695 - 2⁵ = 240509663 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60097 + ... + 63973.

It is an arithmetic number, because the mean of its divisors is an integer number (19021590).

Almost surely, 2^240509695 is an apocalyptic number.

240509695 is a deficient number, since it is larger than the sum of its proper divisors (63835745).

240509695 is a wasteful number, since it uses less digits than its factorization.

240509695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4554.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 240509695 is about 15508.3749954662. The cubic root of 240509695 is about 621.8861181484.

The spelling of 240509695 in words is "two hundred forty million, five hundred nine thousand, six hundred ninety-five".