4440432421040 has 160 divisors (see below), whose sum is σ = 13628633854464. Its totient is φ = 1302617272320.

The previous prime is 4440432421031. The next prime is 4440432421147. The reversal of 4440432421040 is 401242340444.

It is a junction number, because it is equal to n+sod(n) for n = 4440432420988 and 4440432421006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21096734 + ... + 21306173.

Almost surely, 2^{4440432421040} is an apocalyptic number.

4440432421040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4440432421040 is an abundant number, since it is smaller than the sum of its proper divisors (9188201433424).

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

4440432421040 is a wasteful number, since it uses less digits than its factorization.

4440432421040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42402955 (or 42402949 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 4440432421040 its reverse (401242340444), we get a palindrome (4841674761484).

The spelling of 4440432421040 in words is "four trillion, four hundred forty billion, four hundred thirty-two million, four hundred twenty-one thousand, forty".