440431101324 has 144 divisors (see below), whose sum is σ = 1196743111200. Its totient is φ = 141464848896.

The previous prime is 440431101307. The next prime is 440431101349. The reversal of 440431101324 is 423101134044.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14332344 + ... + 14363040.

It is an arithmetic number, because the mean of its divisors is an integer number (8310716050).

Almost surely, 2^440431101324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440431101324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (598371555600).

440431101324 is an abundant number, since it is smaller than the sum of its proper divisors (756312009876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440431101324 is a wasteful number, since it uses less digits than its factorization.

440431101324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31254 (or 31240 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 440431101324 its reverse (423101134044), we get a palindrome (863532235368).

The spelling of 440431101324 in words is "four hundred forty billion, four hundred thirty-one million, one hundred one thousand, three hundred twenty-four".