240040443 has 8 divisors (see below), whose sum is σ = 333969408. Its totient is φ = 153069224.

The previous prime is 240040439. The next prime is 240040447. The reversal of 240040443 is 344040042.

It is an interprime number because it is at equal distance from previous prime (240040439) and next prime (240040447).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240040443 - 2² = 240040439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (240040447) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1739355 + ... + 1739492.

It is an arithmetic number, because the mean of its divisors is an integer number (41746176).

Almost surely, 2^240040443 is an apocalyptic number.

240040443 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

240040443 is a deficient number, since it is larger than the sum of its proper divisors (93928965).

240040443 is a wasteful number, since it uses less digits than its factorization.

240040443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3478873.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 240040443 is about 15493.2386220570. The cubic root of 240040443 is about 621.4814063980.

Adding to 240040443 its reverse (344040042), we get a palindrome (584080485).

The spelling of 240040443 in words is "two hundred forty million, forty thousand, four hundred forty-three".