42055344100 has 144 divisors (see below), whose sum is σ = 116554790016. Its totient is φ = 12788352000.

The previous prime is 42055344049. The next prime is 42055344167. The reversal of 42055344100 is 144355024.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 249094 + ... + 382306.

It is an arithmetic number, because the mean of its divisors is an integer number (809408264).

Almost surely, 2^42055344100 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 42055344100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58277395008).

42055344100 is an abundant number, since it is smaller than the sum of its proper divisors (74499445916).

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

42055344100 is a wasteful number, since it uses less digits than its factorization.

42055344100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133286 (or 133279 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 42055344100 its reverse (144355024), we get a palindrome (42199699124).

The spelling of 42055344100 in words is "forty-two billion, fifty-five million, three hundred forty-four thousand, one hundred".