240040459 has 4 divisors (see below), whose sum is σ = 254160504. Its totient is φ = 225920416.

The previous prime is 240040447. The next prime is 240040477. The reversal of 240040459 is 954040042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 240040459 - 2⁷ = 240040331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240040439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7059997 + ... + 7060030.

It is an arithmetic number, because the mean of its divisors is an integer number (63540126).

Almost surely, 2^240040459 is an apocalyptic number.

240040459 is a deficient number, since it is larger than the sum of its proper divisors (14120045).

240040459 is a wasteful number, since it uses less digits than its factorization.

240040459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14120044.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 240040459 is about 15493.2391384113. The cubic root of 240040459 is about 621.4814202064.

The spelling of 240040459 in words is "two hundred forty million, forty thousand, four hundred fifty-nine".