42173843381316 has 384 divisors, whose sum is σ = 118058566348800. Its totient is φ = 12972547768320.

The previous prime is 42173843381167. The next prime is 42173843381323. The reversal of 42173843381316 is 61318334837124.

42173843381316 is a `hidden beast` number, since 4 + 2 + 1 + 73 + 8 + 433 + 8 + 131 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 19515891276 + ... + 19515893436.

It is an arithmetic number, because the mean of its divisors is an integer number (307444183200).

Almost surely, 2^{42173843381316} 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 42173843381316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59029283174400).

42173843381316 is an abundant number, since it is smaller than the sum of its proper divisors (75884722967484).

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

42173843381316 is a wasteful number, since it uses less digits than its factorization.

42173843381316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276 (or 3268 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The spelling of 42173843381316 in words is "forty-two trillion, one hundred seventy-three billion, eight hundred forty-three million, three hundred eighty-one thousand, three hundred sixteen".