40040034 has 32 divisors (see below), whose sum is σ = 84042240. Its totient is φ = 12700800.

The previous prime is 40040029. The next prime is 40040041. The reversal of 40040034 is 43004004.

40040034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40039995 and 40040022.

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 15 ways as a sum of consecutive naturals, for example, 9582 + ... + 13110.

It is an arithmetic number, because the mean of its divisors is an integer number (2626320).

Almost surely, 2^40040034 is an apocalyptic number.

40040034 is an abundant number, since it is smaller than the sum of its proper divisors (44002206).

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

40040034 is a wasteful number, since it uses less digits than its factorization.

40040034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3626.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 40040034 is about 6327.7194944150. The cubic root of 40040034 is about 342.1092465875.

Adding to 40040034 its reverse (43004004), we get a palindrome (83044038).

The spelling of 40040034 in words is "forty million, forty thousand, thirty-four", and thus it is an eban number.