100133003440 has 20 divisors (see below), whose sum is σ = 232809233184. Its totient is φ = 40053201344.

The previous prime is 100133003419. The next prime is 100133003447. The reversal of 100133003440 is 44300331001.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (100133003447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625831192 + ... + 625831351.

Almost surely, 2^100133003440 is an apocalyptic number.

100133003440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100133003440 is an abundant number, since it is smaller than the sum of its proper divisors (132676229744).

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

100133003440 is a wasteful number, since it uses less digits than its factorization.

100133003440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251662556 (or 1251662550 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 100133003440 its reverse (44300331001), we get a palindrome (144433334441).

The spelling of 100133003440 in words is "one hundred billion, one hundred thirty-three million, three thousand, four hundred forty".