523540372039040 has 256 divisors, whose sum is σ = 1285200540518400. Its totient is φ = 203827632906240.

The previous prime is 523540372039037. The next prime is 523540372039073. The reversal of 523540372039040 is 40930273045325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9918704489 + ... + 9918757271.

It is an arithmetic number, because the mean of its divisors is an integer number (5020314611400).

Almost surely, 2^{523540372039040} 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 523540372039040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (642600270259200).

523540372039040 is an abundant number, since it is smaller than the sum of its proper divisors (761660168479360).

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

523540372039040 is a wasteful number, since it uses less digits than its factorization.

523540372039040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54105 (or 54093 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 47.

The spelling of 523540372039040 in words is "five hundred twenty-three trillion, five hundred forty billion, three hundred seventy-two million, thirty-nine thousand, forty".