240056239 has 4 divisors (see below), whose sum is σ = 244585656. Its totient is φ = 235526824.

The previous prime is 240056237. The next prime is 240056263. The reversal of 240056239 is 932650042.

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 240056239 - 2¹ = 240056237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240056239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240056237) 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, 2264629 + ... + 2264734.

It is an arithmetic number, because the mean of its divisors is an integer number (61146414).

Almost surely, 2^240056239 is an apocalyptic number.

240056239 is a deficient number, since it is larger than the sum of its proper divisors (4529417).

240056239 is an equidigital number, since it uses as much as digits as its factorization.

240056239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4529416.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 240056239 is about 15493.7483844291. The cubic root of 240056239 is about 621.4950384133.

It can be divided in two parts, 2 and 40056239, that added together give a square (40056241 = 6329²).

The spelling of 240056239 in words is "two hundred forty million, fifty-six thousand, two hundred thirty-nine".