440343421030 has 8 divisors (see below), whose sum is σ = 792618157872. Its totient is φ = 176137368408.

The previous prime is 440343421003. The next prime is 440343421033. The reversal of 440343421030 is 30124343044.

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

It is a self number, because there is not a number n which added to its sum of digits gives 440343421030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440343421033) 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, 22017171042 + ... + 22017171061.

It is an arithmetic number, because the mean of its divisors is an integer number (99077269734).

Almost surely, 2^440343421030 is an apocalyptic number.

440343421030 is a deficient number, since it is larger than the sum of its proper divisors (352274736842).

440343421030 is a wasteful number, since it uses less digits than its factorization.

440343421030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44034342110.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 440343421030 its reverse (30124343044), we get a palindrome (470467764074).

The spelling of 440343421030 in words is "four hundred forty billion, three hundred forty-three million, four hundred twenty-one thousand, thirty".