100404028089 has 32 divisors (see below), whose sum is σ = 156637584000. Its totient is φ = 63387919872.

The previous prime is 100404028069. The next prime is 100404028093. The reversal of 100404028089 is 980820404001.

It is not a de Polignac number, because 100404028089 - 2⁵ = 100404028057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100404028069) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1300909 + ... + 1375925.

It is an arithmetic number, because the mean of its divisors is an integer number (4894924500).

Almost surely, 2^100404028089 is an apocalyptic number.

100404028089 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

100404028089 is a deficient number, since it is larger than the sum of its proper divisors (56233555911).

100404028089 is a wasteful number, since it uses less digits than its factorization.

100404028089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77654 (or 77648 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 100404028089 in words is "one hundred billion, four hundred four million, twenty-eight thousand, eighty-nine".