40108004 has 12 divisors (see below), whose sum is σ = 71901228. Its totient is φ = 19564800.

The previous prime is 40108001. The next prime is 40108027. The reversal of 40108004 is 40080104.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14807104 + 25300900 = 3848^2 + 5030^2 .

It is not an unprimeable number, because it can be changed into a prime (40108001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122117 + ... + 122444.

It is an arithmetic number, because the mean of its divisors is an integer number (5991769).

Almost surely, 2^40108004 is an apocalyptic number.

It is an amenable number.

40108004 is a deficient number, since it is larger than the sum of its proper divisors (31793224).

40108004 is a wasteful number, since it uses less digits than its factorization.

40108004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244606 (or 244604 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 40108004 is about 6333.0880303372. The cubic root of 40108004 is about 342.3027197838.

Adding to 40108004 its reverse (40080104), we get a palindrome (80188108).

The spelling of 40108004 in words is "forty million, one hundred eight thousand, four".