440312342021 has 8 divisors (see below), whose sum is σ = 445337006400. Its totient is φ = 435302096832.

The previous prime is 440312341921. The next prime is 440312342027. The reversal of 440312342021 is 120243213044.

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 440312342021 - 2²² = 440308147717 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 (440312342027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3543371 + ... + 3665528.

It is an arithmetic number, because the mean of its divisors is an integer number (55667125800).

Almost surely, 2^440312342021 is an apocalyptic number.

It is an amenable number.

440312342021 is a deficient number, since it is larger than the sum of its proper divisors (5024664379).

440312342021 is a wasteful number, since it uses less digits than its factorization.

440312342021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7209595.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 440312342021 its reverse (120243213044), we get a palindrome (560555555065).

The spelling of 440312342021 in words is "four hundred forty billion, three hundred twelve million, three hundred forty-two thousand, twenty-one".