440481734128 has 20 divisors (see below), whose sum is σ = 853750822720. Its totient is φ = 220158941184.

The previous prime is 440481734123. The next prime is 440481734129. The reversal of 440481734128 is 821437184044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440481734123) 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, 5076000 + ... + 5162047.

It is an arithmetic number, because the mean of its divisors is an integer number (42687541136).

Almost surely, 2^440481734128 is an apocalyptic number.

It is an amenable number.

440481734128 is a deficient number, since it is larger than the sum of its proper divisors (413269088592).

440481734128 is a wasteful number, since it uses less digits than its factorization.

440481734128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10240744 (or 10240738 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 46.

The spelling of 440481734128 in words is "four hundred forty billion, four hundred eighty-one million, seven hundred thirty-four thousand, one hundred twenty-eight".