100344512544 has 48 divisors (see below), whose sum is σ = 265478427648. Its totient is φ = 33184795392.

The previous prime is 100344512519. The next prime is 100344512599. The reversal of 100344512544 is 445215443001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4102987 + ... + 4127370.

It is an arithmetic number, because the mean of its divisors is an integer number (5530800576).

Almost surely, 2^100344512544 is an apocalyptic number.

It is an amenable number.

100344512544 is an abundant number, since it is smaller than the sum of its proper divisors (165133915104).

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

100344512544 is a wasteful number, since it uses less digits than its factorization.

100344512544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8230497 (or 8230489 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 100344512544 its reverse (445215443001), we get a palindrome (545559955545).

The spelling of 100344512544 in words is "one hundred billion, three hundred forty-four million, five hundred twelve thousand, five hundred forty-four".