4522728557460 has 144 divisors (see below), whose sum is σ = 12961767551040. Its totient is φ = 1178305912320.

The previous prime is 4522728557453. The next prime is 4522728557471. The reversal of 4522728557460 is 647558272254.

It is a self number, because there is not a number n which added to its sum of digits gives 4522728557460.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75385275 + ... + 75445245.

It is an arithmetic number, because the mean of its divisors is an integer number (90012274660).

Almost surely, 2^{4522728557460} 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 4522728557460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6480883775520).

4522728557460 is an abundant number, since it is smaller than the sum of its proper divisors (8439038993580).

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

4522728557460 is a wasteful number, since it uses less digits than its factorization.

4522728557460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60646 (or 60597 counting only the distinct ones).

The product of its (nonzero) digits is 37632000, while the sum is 57.

The spelling of 4522728557460 in words is "four trillion, five hundred twenty-two billion, seven hundred twenty-eight million, five hundred fifty-seven thousand, four hundred sixty".