42857761889142 has 24 divisors (see below), whose sum is σ = 92860023155016. Its totient is φ = 14285683850976.

The previous prime is 42857761889083. The next prime is 42857761889167. The reversal of 42857761889142 is 24198816775824.

42857761889142 is a `hidden beast` number, since 4 + 2 + 8 + 577 + 6 + 1 + 8 + 8 + 9 + 1 + 42 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18613663 + ... + 20789034.

It is an arithmetic number, because the mean of its divisors is an integer number (3869167631459).

Almost surely, 2^{42857761889142} is an apocalyptic number.

42857761889142 is an abundant number, since it is smaller than the sum of its proper divisors (50002261265874).

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

42857761889142 is a wasteful number, since it uses less digits than its factorization.

42857761889142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39463132 (or 39463129 counting only the distinct ones).

The product of its digits is 433520640, while the sum is 72.

The spelling of 42857761889142 in words is "forty-two trillion, eight hundred fifty-seven billion, seven hundred sixty-one million, eight hundred eighty-nine thousand, one hundred forty-two".