4503142728 has 320 divisors, whose sum is σ = 15394296000. Its totient is φ = 1216228608.

The previous prime is 4503142669. The next prime is 4503142729. The reversal of 4503142728 is 8272413054.

It is a happy number.

4503142728 is a `hidden beast` number, since 4 + 503 + 142 + 7 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4503142692 and 4503142701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4503142729) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 9853476 + ... + 9853932.

It is an arithmetic number, because the mean of its divisors is an integer number (48107175).

Almost surely, 2^4503142728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4503142728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7697148000).

4503142728 is an abundant number, since it is smaller than the sum of its proper divisors (10891153272).

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

4503142728 is a wasteful number, since it uses less digits than its factorization.

4503142728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 4503142728 is about 67105.4597480712. The cubic root of 4503142728 is about 1651.3478705374.

The spelling of 4503142728 in words is "four billion, five hundred three million, one hundred forty-two thousand, seven hundred twenty-eight".