42686831500 has 24 divisors (see below), whose sum is σ = 93228041088. Its totient is φ = 17074732400.

The previous prime is 42686831497. The next prime is 42686831507. The reversal of 42686831500 is 513868624.

42686831500 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 3×42686831500³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (42686831507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42686332 + ... + 42687331.

It is an arithmetic number, because the mean of its divisors is an integer number (3884501712).

Almost surely, 2^42686831500 is an apocalyptic number.

It is an amenable number.

42686831500 is an abundant number, since it is smaller than the sum of its proper divisors (50541209588).

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

42686831500 is a wasteful number, since it uses less digits than its factorization.

42686831500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85373682 (or 85373670 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 42686831500 in words is "forty-two billion, six hundred eighty-six million, eight hundred thirty-one thousand, five hundred".