440321132030 has 32 divisors (see below), whose sum is σ = 853993645344. Its totient is φ = 162494764416.

The previous prime is 440321132023. The next prime is 440321132039. The reversal of 440321132030 is 30231123044.

It is a junction number, because it is equal to n+sod(n) for n = 440321131987 and 440321132005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440321132039) 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, 640157 + ... + 1135976.

It is an arithmetic number, because the mean of its divisors is an integer number (26687301417).

Almost surely, 2^440321132030 is an apocalyptic number.

440321132030 is a deficient number, since it is larger than the sum of its proper divisors (413672513314).

440321132030 is a wasteful number, since it uses less digits than its factorization.

440321132030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778060.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 440321132030 its reverse (30231123044), we get a palindrome (470552255074).

The spelling of 440321132030 in words is "four hundred forty billion, three hundred twenty-one million, one hundred thirty-two thousand, thirty".