100440430412 has 12 divisors (see below), whose sum is σ = 200880860880. Its totient is φ = 43045898736.

The previous prime is 100440430403. The next prime is 100440430423. The reversal of 100440430412 is 214034044001.

It is a happy number.

100440430412 is an admirable number.

It is a super-2 number, since 2×100440430412² (a number of 23 digits) contains 22 as substring.

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, 1793579087 + ... + 1793579142.

It is an arithmetic number, because the mean of its divisors is an integer number (16740071740).

Almost surely, 2^100440430412 is an apocalyptic number.

It is an amenable number.

100440430412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

100440430412 is a wasteful number, since it uses less digits than its factorization.

100440430412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3587158240 (or 3587158238 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 100440430412 its reverse (214034044001), we get a palindrome (314474474413).

The spelling of 100440430412 in words is "one hundred billion, four hundred forty million, four hundred thirty thousand, four hundred twelve".