40040110 has 24 divisors (see below), whose sum is σ = 79222248. Its totient is φ = 14559600.

The previous prime is 40040093. The next prime is 40040111. The reversal of 40040110 is 1104004.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40040111) 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, 15336 + ... + 17755.

It is an arithmetic number, because the mean of its divisors is an integer number (3300927).

Almost surely, 2^40040110 is an apocalyptic number.

40040110 is a deficient number, since it is larger than the sum of its proper divisors (39182138).

40040110 is a wasteful number, since it uses less digits than its factorization.

40040110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33120 (or 33109 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 40040110 is about 6327.7254997353. The cubic root of 40040110 is about 342.1094630399.

Adding to 40040110 its reverse (1104004), we get a palindrome (41144114).

The spelling of 40040110 in words is "forty million, forty thousand, one hundred ten".