240649375 has 10 divisors (see below), whose sum is σ = 300716240. Its totient is φ = 192519000.

The previous prime is 240649361. The next prime is 240649393. The reversal of 240649375 is 573946042.

It is a happy number.

It is not a de Polignac number, because 240649375 - 2¹³ = 240641183 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 (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 191895 + ... + 193144.

It is an arithmetic number, because the mean of its divisors is an integer number (30071624).

Almost surely, 2^240649375 is an apocalyptic number.

240649375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

240649375 is a deficient number, since it is larger than the sum of its proper divisors (60066865).

240649375 is an frugal number, since it uses more digits than its factorization.

240649375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385059 (or 385044 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 240649375 is about 15512.8777149825. The cubic root of 240649375 is about 622.0064850804.

The spelling of 240649375 in words is "two hundred forty million, six hundred forty-nine thousand, three hundred seventy-five".