40104684 has 18 divisors (see below), whose sum is σ = 101375820. Its totient is φ = 13368216.

The previous prime is 40104661. The next prime is 40104689. The reversal of 40104684 is 48640104.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (40104689) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556974 + ... + 557045.

It is an arithmetic number, because the mean of its divisors is an integer number (5631990).

Almost surely, 2^40104684 is an apocalyptic number.

It is an amenable number.

40104684 is an abundant number, since it is smaller than the sum of its proper divisors (61271136).

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

40104684 is a wasteful number, since it uses less digits than its factorization.

40104684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114029 (or 1114024 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 40104684 is about 6332.8259094973. The cubic root of 40104684 is about 342.2932746500.

Adding to 40104684 its reverse (48640104), we get a palindrome (88744788).

The spelling of 40104684 in words is "forty million, one hundred four thousand, six hundred eighty-four".