40034678 has 8 divisors (see below), whose sum is σ = 60095568. Its totient is φ = 20002824.

The previous prime is 40034669. The next prime is 40034681. The reversal of 40034678 is 87643004.

It is a happy number.

40034678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3401 + ... + 9572.

It is an arithmetic number, because the mean of its divisors is an integer number (7511946).

Almost surely, 2^40034678 is an apocalyptic number.

40034678 is a deficient number, since it is larger than the sum of its proper divisors (20060890).

40034678 is a wasteful number, since it uses less digits than its factorization.

40034678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14518.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 40034678 is about 6327.2962630179. The cubic root of 40034678 is about 342.0939916984.

The spelling of 40034678 in words is "forty million, thirty-four thousand, six hundred seventy-eight".