42686571278 has 24 divisors (see below), whose sum is σ = 69430932000. Its totient is φ = 19673981184.

The previous prime is 42686571241. The next prime is 42686571283. The reversal of 42686571278 is 87217568624.

It is a super-3 number, since 3×42686571278³ (a number of 33 digits) contains 333 as substring.

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, 155198 + ... + 330846.

It is an arithmetic number, because the mean of its divisors is an integer number (2892955500).

Almost surely, 2^42686571278 is an apocalyptic number.

42686571278 is a deficient number, since it is larger than the sum of its proper divisors (26744360722).

42686571278 is a wasteful number, since it uses less digits than its factorization.

42686571278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176396 (or 176383 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 56.

The spelling of 42686571278 in words is "forty-two billion, six hundred eighty-six million, five hundred seventy-one thousand, two hundred seventy-eight".