538059595440 has 160 divisors (see below), whose sum is σ = 1699293738240. Its totient is φ = 140798030848.

The previous prime is 538059595439. The next prime is 538059595487. The reversal of 538059595440 is 44595950835.

It is a happy number.

538059595440 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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, 7938334 + ... + 8005826.

It is an arithmetic number, because the mean of its divisors is an integer number (10620585864).

Almost surely, 2^538059595440 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 538059595440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (849646869120).

538059595440 is an abundant number, since it is smaller than the sum of its proper divisors (1161234142800).

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

538059595440 is a wasteful number, since it uses less digits than its factorization.

538059595440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68131 (or 68125 counting only the distinct ones).

The product of its (nonzero) digits is 19440000, while the sum is 57.

The spelling of 538059595440 in words is "five hundred thirty-eight billion, fifty-nine million, five hundred ninety-five thousand, four hundred forty".