40104140 has 12 divisors (see below), whose sum is σ = 84218736. Its totient is φ = 16041648.

The previous prime is 40104121. The next prime is 40104149. The reversal of 40104140 is 4140104.

40104140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40104149) 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, 1002584 + ... + 1002623.

It is an arithmetic number, because the mean of its divisors is an integer number (7018228).

Almost surely, 2^40104140 is an apocalyptic number.

It is an amenable number.

40104140 is an abundant number, since it is smaller than the sum of its proper divisors (44114596).

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

40104140 is a wasteful number, since it uses less digits than its factorization.

40104140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005216 (or 2005214 counting only the distinct ones).

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

The square root of 40104140 is about 6332.7829585420. The cubic root of 40104140 is about 342.2917269639.

Adding to 40104140 its reverse (4140104), we get a palindrome (44244244).

The spelling of 40104140 in words is "forty million, one hundred four thousand, one hundred forty".