4521144012 has 384 divisors, whose sum is σ = 14561648640. Its totient is φ = 1056706560.

The previous prime is 4521144011. The next prime is 4521144029. The reversal of 4521144012 is 2104411254.

It is a super-2 number, since 2×4521144012² = 40881486354486912288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4521144011) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 40010068 + ... + 40010180.

It is an arithmetic number, because the mean of its divisors is an integer number (37920960).

Almost surely, 2^4521144012 is an apocalyptic number.

4521144012 is a gapful number since it is divisible by the number (42) 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 4521144012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7280824320).

4521144012 is an abundant number, since it is smaller than the sum of its proper divisors (10040504628).

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

4521144012 is a wasteful number, since it uses less digits than its factorization.

4521144012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 4521144012 is about 67239.4527937282. The cubic root of 4521144012 is about 1653.5453624660.

Adding to 4521144012 its reverse (2104411254), we get a palindrome (6625555266).

The spelling of 4521144012 in words is "four billion, five hundred twenty-one million, one hundred forty-four thousand, twelve".