42043044100 has 72 divisors (see below), whose sum is σ = 94585383648. Its totient is φ = 16209235200.

The previous prime is 42043044079. The next prime is 42043044101. The reversal of 42043044100 is 144034024.

42043044100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42043044101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 278527 + ... + 402073.

It is an arithmetic number, because the mean of its divisors is an integer number (1313685884).

Almost surely, 2^42043044100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42043044100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47292691824).

42043044100 is an abundant number, since it is smaller than the sum of its proper divisors (52542339548).

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

42043044100 is a wasteful number, since it uses less digits than its factorization.

42043044100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123685 (or 123678 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 42043044100 its reverse (144034024), we get a palindrome (42187078124).

The spelling of 42043044100 in words is "forty-two billion, forty-three million, forty-four thousand, one hundred".