100440443020 has 12 divisors (see below), whose sum is σ = 210924930384. Its totient is φ = 40176177200.

The previous prime is 100440442969. The next prime is 100440443039. The reversal of 100440443020 is 20344044001.

It is a junction number, because it is equal to n+sod(n) for n = 100440442982 and 100440443000.

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, 2511011056 + ... + 2511011095.

It is an arithmetic number, because the mean of its divisors is an integer number (17577077532).

Almost surely, 2^100440443020 is an apocalyptic number.

100440443020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100440443020 is an abundant number, since it is smaller than the sum of its proper divisors (110484487364).

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

100440443020 is a wasteful number, since it uses less digits than its factorization.

100440443020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5022022160 (or 5022022158 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 100440443020 its reverse (20344044001), we get a palindrome (120784487021).

The spelling of 100440443020 in words is "one hundred billion, four hundred forty million, four hundred forty-three thousand, twenty".