100344043742 has 16 divisors (see below), whose sum is σ = 152363484000. Its totient is φ = 49559937120.

The previous prime is 100344043739. The next prime is 100344043801. The reversal of 100344043742 is 247340443001.

It is a super-2 number, since 2×100344043742² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100344043699 and 100344043708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876242 + ... + 984117.

It is an arithmetic number, because the mean of its divisors is an integer number (9522717750).

Almost surely, 2^100344043742 is an apocalyptic number.

100344043742 is a deficient number, since it is larger than the sum of its proper divisors (52019440258).

100344043742 is a wasteful number, since it uses less digits than its factorization.

100344043742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860691.

The product of its (nonzero) digits is 32256, while the sum is 32.

Adding to 100344043742 its reverse (247340443001), we get a palindrome (347684486743).

The spelling of 100344043742 in words is "one hundred billion, three hundred forty-four million, forty-three thousand, seven hundred forty-two".