42140284284 has 96 divisors (see below), whose sum is σ = 119424485376. Its totient is φ = 11289922560.

The previous prime is 42140284253. The next prime is 42140284339. The reversal of 42140284284 is 48248204124.

It is a congruent number.

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, 332542 + ... + 441434.

It is an arithmetic number, because the mean of its divisors is an integer number (1244005056).

Almost surely, 2^42140284284 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 42140284284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59712242688).

42140284284 is an abundant number, since it is smaller than the sum of its proper divisors (77284201092).

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

42140284284 is a wasteful number, since it uses less digits than its factorization.

42140284284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109195 (or 109193 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 39.

The spelling of 42140284284 in words is "forty-two billion, one hundred forty million, two hundred eighty-four thousand, two hundred eighty-four".