40004034 has 32 divisors (see below), whose sum is σ = 92257920.
Its totient is φ = 11327232.
The previous prime is 40004023. The next prime is 40004039. The reversal of 40004034 is 43040004.
Adding to 40004034 its reverse (43040004), we get a palindrome (83044038).
It is not an unprimeable number, because it can be changed into a prime (40004039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532 + ... + 8960.
It is an arithmetic number, because the mean of its divisors is an integer number (2883060).
Almost surely, 240004034 is an apocalyptic number.
40004034 is an abundant number, since it is smaller than the sum of its proper divisors (52253886).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40004034 is a wasteful number, since it uses less digits than its factorization.
40004034 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8554.
The product of its (nonzero) digits is 192, while the sum is 15.
The square root of 40004034 is about 6324.8742279985.
The cubic root of 40004034 is about 342.0066856872.
The spelling of 40004034 in words is "forty million, four thousand, thirty-four", and thus it is an eban number.