42538341845580 has 288 divisors, whose sum is σ = 139177568065536. Its totient is φ = 9679304323584.

The previous prime is 42538341845533. The next prime is 42538341845617. The reversal of 42538341845580 is 8554814383524.

It is a happy number.

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 95 ways as a sum of consecutive naturals, for example, 1149759642 + ... + 1149796638.

It is an arithmetic number, because the mean of its divisors is an integer number (483255444672).

Almost surely, 2^{42538341845580} 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 42538341845580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69588784032768).

42538341845580 is an abundant number, since it is smaller than the sum of its proper divisors (96639226219956).

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

42538341845580 is a wasteful number, since it uses less digits than its factorization.

42538341845580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38773 (or 38764 counting only the distinct ones).

The product of its (nonzero) digits is 73728000, while the sum is 60.

The spelling of 42538341845580 in words is "forty-two trillion, five hundred thirty-eight billion, three hundred forty-one million, eight hundred forty-five thousand, five hundred eighty".