100355400042 has 32 divisors (see below), whose sum is σ = 216527090112. Its totient is φ = 30890006784.

The previous prime is 100355400029. The next prime is 100355400053. The reversal of 100355400042 is 240004553001.

It is a junction number, because it is equal to n+sod(n) for n = 100355399985 and 100355400021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9276448 + ... + 9287259.

It is an arithmetic number, because the mean of its divisors is an integer number (6766471566).

Almost surely, 2^100355400042 is an apocalyptic number.

100355400042 is an abundant number, since it is smaller than the sum of its proper divisors (116171690070).

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

100355400042 is a wasteful number, since it uses less digits than its factorization.

100355400042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18563782.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 100355400042 its reverse (240004553001), we get a palindrome (340359953043).

The spelling of 100355400042 in words is "one hundred billion, three hundred fifty-five million, four hundred thousand, forty-two".