100440034123242 has 16 divisors (see below), whose sum is σ = 219141892632672. Its totient is φ = 30436373976720.

The previous prime is 100440034123241. The next prime is 100440034123277. The reversal of 100440034123242 is 242321430044001.

It is not an unprimeable number, because it can be changed into a prime (100440034123241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760909349353 + ... + 760909349484.

It is an arithmetic number, because the mean of its divisors is an integer number (13696368289542).

Almost surely, 2^{100440034123242} is an apocalyptic number.

100440034123242 is an abundant number, since it is smaller than the sum of its proper divisors (118701858509430).

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

100440034123242 is a wasteful number, since it uses less digits than its factorization.

100440034123242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521818698853.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 100440034123242 its reverse (242321430044001), we get a palindrome (342761464167243).

The spelling of 100440034123242 in words is "one hundred trillion, four hundred forty billion, thirty-four million, one hundred twenty-three thousand, two hundred forty-two".