4522001440 has 96 divisors (see below), whose sum is σ = 11670873984. Its totient is φ = 1642045440.

The previous prime is 4522001437. The next prime is 4522001441. The reversal of 4522001440 is 441002254.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (4522001441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1700592 + ... + 1703248.

It is an arithmetic number, because the mean of its divisors is an integer number (121571604).

Almost surely, 2^4522001440 is an apocalyptic number.

4522001440 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 4522001440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5835436992).

4522001440 is an abundant number, since it is smaller than the sum of its proper divisors (7148872544).

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

4522001440 is a wasteful number, since it uses less digits than its factorization.

4522001440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3650 (or 3642 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 4522001440 is about 67245.8284208024. The cubic root of 4522001440 is about 1653.6498866359.

Adding to 4522001440 its reverse (441002254), we get a palindrome (4963003694).

The spelling of 4522001440 in words is "four billion, five hundred twenty-two million, one thousand, four hundred forty".