4320642444480 has 448 divisors, whose sum is σ = 16224820992000. Its totient is φ = 1079262683136.

The previous prime is 4320642444463. The next prime is 4320642444491. The reversal of 4320642444480 is 844442460234.

4320642444480 is a `hidden beast` number, since 4 + 320 + 6 + 4 + 244 + 4 + 4 + 80 = 666.

It is a super-2 number, since 2×4320642444480² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14462377 + ... + 14758103.

Almost surely, 2^{4320642444480} is an apocalyptic number.

4320642444480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4320642444480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8112410496000).

4320642444480 is an abundant number, since it is smaller than the sum of its proper divisors (11904178547520).

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

4320642444480 is a wasteful number, since it uses less digits than its factorization.

4320642444480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295861 (or 295845 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 45.

The spelling of 4320642444480 in words is "four trillion, three hundred twenty billion, six hundred forty-two million, four hundred forty-four thousand, four hundred eighty".