100344042042 has 32 divisors (see below), whose sum is σ = 207182790144. Its totient is φ = 32365780800.

The previous prime is 100344042041. The next prime is 100344042061. The reversal of 100344042042 is 240240443001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (100344042041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2404192 + ... + 2445572.

It is an arithmetic number, because the mean of its divisors is an integer number (6474462192).

Almost surely, 2^100344042042 is an apocalyptic number.

100344042042 is an abundant number, since it is smaller than the sum of its proper divisors (106838748102).

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

100344042042 is a wasteful number, since it uses less digits than its factorization.

100344042042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54454.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 100344042042 its reverse (240240443001), we get a palindrome (340584485043).

The spelling of 100344042042 in words is "one hundred billion, three hundred forty-four million, forty-two thousand, forty-two".