52845825045840 has 80 divisors (see below), whose sum is σ = 164537437977600. Its totient is φ = 14030681918976.

The previous prime is 52845825045809. The next prime is 52845825045953. The reversal of 52845825045840 is 4854052854825.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480711280 + ... + 480821199.

It is an arithmetic number, because the mean of its divisors is an integer number (2056717974720).

Almost surely, 2^{52845825045840} is an apocalyptic number.

It is an amenable number.

52845825045840 is an abundant number, since it is smaller than the sum of its proper divisors (111691612931760).

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

52845825045840 is a wasteful number, since it uses less digits than its factorization.

52845825045840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961532724 (or 961532718 counting only the distinct ones).

The product of its (nonzero) digits is 81920000, while the sum is 60.

The spelling of 52845825045840 in words is "fifty-two trillion, eight hundred forty-five billion, eight hundred twenty-five million, forty-five thousand, eight hundred forty".