40104400 has 60 divisors (see below), whose sum is σ = 110122912. Its totient is φ = 13749120.

The previous prime is 40104397. The next prime is 40104431. The reversal of 40104400 is 440104.

It is a happy number.

40104400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4362 + ... + 9961.

Almost surely, 2^40104400 is an apocalyptic number.

40104400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40104400 is an abundant number, since it is smaller than the sum of its proper divisors (70018512).

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

40104400 is a wasteful number, since it uses less digits than its factorization.

40104400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14348 (or 14337 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 40104400 is about 6332.8034866084. The cubic root of 40104400 is about 342.2924666686.

Adding to 40104400 its reverse (440104), we get a palindrome (40544504).

It can be divided in two parts, 40104 and 400, that added together give a palindrome (40504).

The spelling of 40104400 in words is "forty million, one hundred four thousand, four hundred".