42845816900 has 36 divisors (see below), whose sum is σ = 93274446720. Its totient is φ = 17083207200.

The previous prime is 42845816837. The next prime is 42845816903. The reversal of 42845816900 is 961854824.

42845816900 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-2 number, since 2×42845816900² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42845816903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 657740 + ... + 719939.

Almost surely, 2^42845816900 is an apocalyptic number.

It is an amenable number.

42845816900 is an abundant number, since it is smaller than the sum of its proper divisors (50428629820).

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

42845816900 is a wasteful number, since it uses less digits than its factorization.

42845816900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378004 (or 1377997 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 42845816900 in words is "forty-two billion, eight hundred forty-five million, eight hundred sixteen thousand, nine hundred".