100344043740 has 72 divisors (see below), whose sum is σ = 296529221520. Its totient is φ = 25350068736.

The previous prime is 100344043739. The next prime is 100344043801. The reversal of 100344043740 is 47340443001.

It is a super-2 number, since 2×100344043740² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 100344043698 and 100344043707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2294685 + ... + 2338004.

It is an arithmetic number, because the mean of its divisors is an integer number (4118461410).

Almost surely, 2^100344043740 is an apocalyptic number.

100344043740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100344043740 is an abundant number, since it is smaller than the sum of its proper divisors (196185177780).

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

100344043740 is a wasteful number, since it uses less digits than its factorization.

100344043740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4632739 (or 4632718 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

Adding to 100344043740 its reverse (47340443001), we get a palindrome (147684486741).

The spelling of 100344043740 in words is "one hundred billion, three hundred forty-four million, forty-three thousand, seven hundred forty".