4545539567520 has 384 divisors, whose sum is σ = 16778742382080. Its totient is φ = 1012691435520.

The previous prime is 4545539567501. The next prime is 4545539567537. The reversal of 4545539567520 is 257659355454.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 152760964 + ... + 152790716.

It is an arithmetic number, because the mean of its divisors is an integer number (43694641620).

Almost surely, 2^{4545539567520} is an apocalyptic number.

4545539567520 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 4545539567520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8389371191040).

4545539567520 is an abundant number, since it is smaller than the sum of its proper divisors (12233202814560).

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

4545539567520 is a wasteful number, since it uses less digits than its factorization.

4545539567520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30928 (or 30920 counting only the distinct ones).

The product of its (nonzero) digits is 113400000, while the sum is 60.

The spelling of 4545539567520 in words is "four trillion, five hundred forty-five billion, five hundred thirty-nine million, five hundred sixty-seven thousand, five hundred twenty".