4480065065520 has 720 divisors, whose sum is σ = 17527500355680. Its totient is φ = 1050982732800.

The previous prime is 4480065065519. The next prime is 4480065065521. The reversal of 4480065065520 is 255605600844.

4480065065520 is a `hidden beast` number, since 4 + 4 + 8 + 0 + 0 + 65 + 0 + 65 + 520 = 666.

It is an interprime number because it is at equal distance from previous prime (4480065065519) and next prime (4480065065521).

It is a tau number, because it is divible by the number of its divisors (720).

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

It is not an unprimeable number, because it can be changed into a prime (4480065065521) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 251158042 + ... + 251175878.

It is an arithmetic number, because the mean of its divisors is an integer number (24343750494).

Almost surely, 2^{4480065065520} is an apocalyptic number.

4480065065520 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 4480065065520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8763750177840).

4480065065520 is an abundant number, since it is smaller than the sum of its proper divisors (13047435290160).

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

4480065065520 is a wasteful number, since it uses less digits than its factorization.

4480065065520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17943 (or 17889 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 45.

The spelling of 4480065065520 in words is "four trillion, four hundred eighty billion, sixty-five million, sixty-five thousand, five hundred twenty".