440454330442 has 8 divisors (see below), whose sum is σ = 755064566496. Its totient is φ = 188766141612.

The previous prime is 440454330419. The next prime is 440454330443. The reversal of 440454330442 is 244033454044.

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

It is a super-2 number, since 2×440454330442² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (440454330443) 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, 15730511788 + ... + 15730511815.

It is an arithmetic number, because the mean of its divisors is an integer number (94383070812).

Almost surely, 2^440454330442 is an apocalyptic number.

440454330442 is a deficient number, since it is larger than the sum of its proper divisors (314610236054).

440454330442 is a wasteful number, since it uses less digits than its factorization.

440454330442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31461023612.

The product of its (nonzero) digits is 368640, while the sum is 37.

Adding to 440454330442 its reverse (244033454044), we get a palindrome (684487784486).

The spelling of 440454330442 in words is "four hundred forty billion, four hundred fifty-four million, three hundred thirty thousand, four hundred forty-two".