100440404512 has 48 divisors (see below), whose sum is σ = 226030960512. Its totient is φ = 43038259200.

The previous prime is 100440404503. The next prime is 100440404531. The reversal of 100440404512 is 215404044001.

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, 1332637 + ... + 1405987.

It is an arithmetic number, because the mean of its divisors is an integer number (4708978344).

Almost surely, 2^100440404512 is an apocalyptic number.

It is an amenable number.

100440404512 is an abundant number, since it is smaller than the sum of its proper divisors (125590556000).

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

100440404512 is an equidigital number, since it uses as much as digits as its factorization.

100440404512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79481 (or 79473 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 100440404512 its reverse (215404044001), we get a palindrome (315844448513).

The spelling of 100440404512 in words is "one hundred billion, four hundred forty million, four hundred four thousand, five hundred twelve".