4516003021440 has 256 divisors, whose sum is σ = 14734472734080. Its totient is φ = 1175865901056.

The previous prime is 4516003021427. The next prime is 4516003021441. The reversal of 4516003021440 is 441203006154.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4516003021398 and 4516003021407.

It is not an unprimeable number, because it can be changed into a prime (4516003021441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 308189154 + ... + 308203806.

Almost surely, 2^{4516003021440} is an apocalyptic number.

4516003021440 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 4516003021440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7367236367040).

4516003021440 is an abundant number, since it is smaller than the sum of its proper divisors (10218469712640).

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

4516003021440 is a wasteful number, since it uses less digits than its factorization.

4516003021440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18451 (or 18439 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 4516003021440 its reverse (441203006154), we get a palindrome (4957206027594).

The spelling of 4516003021440 in words is "four trillion, five hundred sixteen billion, three million, twenty-one thousand, four hundred forty".