440023012234 has 32 divisors (see below), whose sum is σ = 753834876480. Its totient is φ = 190832308992.

The previous prime is 440023012211. The next prime is 440023012237. The reversal of 440023012234 is 432210320044.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 440023012199 and 440023012208.

It is not an unprimeable number, because it can be changed into a prime (440023012237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 530544 + ... + 1077739.

It is an arithmetic number, because the mean of its divisors is an integer number (23557339890).

Almost surely, 2^440023012234 is an apocalyptic number.

440023012234 is a deficient number, since it is larger than the sum of its proper divisors (313811864246).

440023012234 is a wasteful number, since it uses less digits than its factorization.

440023012234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608934.

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

Adding to 440023012234 its reverse (432210320044), we get a palindrome (872233332278).

The spelling of 440023012234 in words is "four hundred forty billion, twenty-three million, twelve thousand, two hundred thirty-four".