42171886848 has 648 divisors, whose sum is σ = 149246748000. Its totient is φ = 10506682368.

The previous prime is 42171886817. The next prime is 42171886853. The reversal of 42171886848 is 84868817124.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 120836178 + ... + 120836526.

Almost surely, 2^42171886848 is an apocalyptic number.

42171886848 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42171886848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74623374000).

42171886848 is an abundant number, since it is smaller than the sum of its proper divisors (107074861152).

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

42171886848 is a wasteful number, since it uses less digits than its factorization.

42171886848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 393 counting only the distinct ones).

The product of its digits is 5505024, while the sum is 57.

The spelling of 42171886848 in words is "forty-two billion, one hundred seventy-one million, eight hundred eighty-six thousand, eight hundred forty-eight".