42687318140 has 24 divisors (see below), whose sum is σ = 89960141040. Its totient is φ = 17014589568.

The previous prime is 42687318131. The next prime is 42687318151. The reversal of 42687318140 is 4181378624.

42687318140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×42687318140³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42687318091 and 42687318100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3765305 + ... + 3776624.

It is an arithmetic number, because the mean of its divisors is an integer number (3748339210).

Almost surely, 2^42687318140 is an apocalyptic number.

It is an amenable number.

42687318140 is an abundant number, since it is smaller than the sum of its proper divisors (47272822900).

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

42687318140 is a wasteful number, since it uses less digits than its factorization.

42687318140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7542221 (or 7542219 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 42687318140 in words is "forty-two billion, six hundred eighty-seven million, three hundred eighteen thousand, one hundred forty".