100404242432 has 48 divisors (see below), whose sum is σ = 216202552020. Its totient is φ = 46340407296.

The previous prime is 100404242431. The next prime is 100404242441. The reversal of 100404242432 is 234242404001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 98887607296 + 1516635136 = 314464^2 + 38944^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (100404242431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1858973 + ... + 1912220.

Almost surely, 2^100404242432 is an apocalyptic number.

It is an amenable number.

100404242432 is an abundant number, since it is smaller than the sum of its proper divisors (115798309588).

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

100404242432 is an equidigital number, since it uses as much as digits as its factorization.

100404242432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3771228 (or 3771208 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 100404242432 its reverse (234242404001), we get a palindrome (334646646433).

The spelling of 100404242432 in words is "one hundred billion, four hundred four million, two hundred forty-two thousand, four hundred thirty-two".