17538885042 has 64 divisors (see below), whose sum is σ = 40997145600. Its totient is φ = 4898531520.

The previous prime is 17538885017. The next prime is 17538885059. The reversal of 17538885042 is 24058883571.

It is a super-2 number, since 2×17538885042² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 423792 + ... + 463332.

It is an arithmetic number, because the mean of its divisors is an integer number (640580400).

Almost surely, 2^17538885042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 17538885042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20498572800).

17538885042 is an abundant number, since it is smaller than the sum of its proper divisors (23458260558).

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

17538885042 is a wasteful number, since it uses less digits than its factorization.

17538885042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39791.

The product of its (nonzero) digits is 2150400, while the sum is 51.

The spelling of 17538885042 in words is "seventeen billion, five hundred thirty-eight million, eight hundred eighty-five thousand, forty-two".