40104666 has 96 divisors (see below), whose sum is σ = 109226880. Its totient is φ = 10647936.

The previous prime is 40104661. The next prime is 40104689. The reversal of 40104666 is 66640104.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40104661) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 507615 + ... + 507693.

It is an arithmetic number, because the mean of its divisors is an integer number (1137780).

Almost surely, 2^40104666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40104666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54613440).

40104666 is an abundant number, since it is smaller than the sum of its proper divisors (69122214).

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

40104666 is a wasteful number, since it uses less digits than its factorization.

40104666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 40104666 is about 6332.8244883306. The cubic root of 40104666 is about 342.2932234400.

The spelling of 40104666 in words is "forty million, one hundred four thousand, six hundred sixty-six".