440423021342 has 8 divisors (see below), whose sum is σ = 695404770600. Its totient is φ = 208621431144.

The previous prime is 440423021317. The next prime is 440423021369. The reversal of 440423021342 is 243120324044.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5795039717 + ... + 5795039792.

It is an arithmetic number, because the mean of its divisors is an integer number (86925596325).

Almost surely, 2^440423021342 is an apocalyptic number.

440423021342 is a deficient number, since it is larger than the sum of its proper divisors (254981749258).

440423021342 is a wasteful number, since it uses less digits than its factorization.

440423021342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11590079530.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 440423021342 its reverse (243120324044), we get a palindrome (683543345386).

The spelling of 440423021342 in words is "four hundred forty billion, four hundred twenty-three million, twenty-one thousand, three hundred forty-two".