100140044 has 36 divisors (see below), whose sum is σ = 183506400. Its totient is φ = 47809440.

The previous prime is 100140043. The next prime is 100140059. The reversal of 100140044 is 440041001.

It is not an unprimeable number, because it can be changed into a prime (100140043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 418877 + ... + 419115.

It is an arithmetic number, because the mean of its divisors is an integer number (5097400).

Almost surely, 2^100140044 is an apocalyptic number.

It is an amenable number.

100140044 is a deficient number, since it is larger than the sum of its proper divisors (83366356).

100140044 is a wasteful number, since it uses less digits than its factorization.

100140044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 100140044 is about 10006.9997501749. Note that the first 3 decimals coincide. The cubic root of 100140044 is about 464.3754578484.

Adding to 100140044 its reverse (440041001), we get a palindrome (540181045).

The spelling of 100140044 in words is "one hundred million, one hundred forty thousand, forty-four".