42143041656 has 96 divisors (see below), whose sum is σ = 120287856000. Its totient is φ = 13292465472.

The previous prime is 42143041643. The next prime is 42143041687. The reversal of 42143041656 is 65614034124.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 42143041656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1157181 + ... + 1193043.

It is an arithmetic number, because the mean of its divisors is an integer number (1252998500).

Almost surely, 2^42143041656 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 42143041656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60143928000).

42143041656 is an abundant number, since it is smaller than the sum of its proper divisors (78144814344).

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

42143041656 is a wasteful number, since it uses less digits than its factorization.

42143041656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36753 (or 36746 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 42143041656 in words is "forty-two billion, one hundred forty-three million, forty-one thousand, six hundred fifty-six".