100421344032 has 24 divisors (see below), whose sum is σ = 263606028336. Its totient is φ = 33473781312.

The previous prime is 100421343989. The next prime is 100421344087. The reversal of 100421344032 is 230443124001.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 100421343993 and 100421344011.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523027738 + ... + 523027929.

It is an arithmetic number, because the mean of its divisors is an integer number (10983584514).

Almost surely, 2^100421344032 is an apocalyptic number.

100421344032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100421344032 is an abundant number, since it is smaller than the sum of its proper divisors (163184684304).

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

100421344032 is a wasteful number, since it uses less digits than its factorization.

100421344032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046055680 (or 1046055672 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 100421344032 its reverse (230443124001), we get a palindrome (330864468033).

The spelling of 100421344032 in words is "one hundred billion, four hundred twenty-one million, three hundred forty-four thousand, thirty-two".