240034320421 has 8 divisors (see below), whose sum is σ = 274350885120. Its totient is φ = 205724242608.

The previous prime is 240034320397. The next prime is 240034320497. The reversal of 240034320421 is 124023430042.

It is a happy number.

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 240034320421 - 2¹⁹ = 240033796133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240034320221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1542166 + ... + 1690663.

It is an arithmetic number, because the mean of its divisors is an integer number (34293860640).

Almost surely, 2^240034320421 is an apocalyptic number.

It is an amenable number.

240034320421 is a deficient number, since it is larger than the sum of its proper divisors (34316564699).

240034320421 is a wasteful number, since it uses less digits than its factorization.

240034320421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3243443.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 240034320421 its reverse (124023430042), we get a palindrome (364057750463).

The spelling of 240034320421 in words is "two hundred forty billion, thirty-four million, three hundred twenty thousand, four hundred twenty-one".