42850471187128 has 64 divisors (see below), whose sum is σ = 92969337496320. Its totient is φ = 18299191180800.

The previous prime is 42850471187119. The next prime is 42850471187171. The reversal of 42850471187128 is 82178117405824.

It is a super-3 number, since 3×42850471187128³ (a number of 42 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 15 ways as a sum of consecutive naturals, for example, 24595908 + ... + 26280403.

It is an arithmetic number, because the mean of its divisors is an integer number (1452645898380).

Almost surely, 2^{42850471187128} is an apocalyptic number.

It is an amenable number.

42850471187128 is an abundant number, since it is smaller than the sum of its proper divisors (50118866309192).

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

42850471187128 is a wasteful number, since it uses less digits than its factorization.

42850471187128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50876908 (or 50876904 counting only the distinct ones).

The product of its (nonzero) digits is 8028160, while the sum is 58.

The spelling of 42850471187128 in words is "forty-two trillion, eight hundred fifty billion, four hundred seventy-one million, one hundred eighty-seven thousand, one hundred twenty-eight".