100404402444 has 30 divisors (see below), whose sum is σ = 262476941804. Its totient is φ = 33468134040.

The previous prime is 100404402443. The next prime is 100404402479. The reversal of 100404402444 is 444204404001.

100404402444 is a `hidden beast` number, since 10 + 0 + 404 + 4 + 0 + 244 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (100404402443) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 154944742 + ... + 154945389.

Almost surely, 2^100404402444 is an apocalyptic number.

It is an amenable number.

100404402444 is an abundant number, since it is smaller than the sum of its proper divisors (162072539360).

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

100404402444 is a wasteful number, since it uses less digits than its factorization.

100404402444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309890147 (or 309890136 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 100404402444 its reverse (444204404001), we get a palindrome (544608806445).

The spelling of 100404402444 in words is "one hundred billion, four hundred four million, four hundred two thousand, four hundred forty-four".