40354147 has 4 divisors (see below), whose sum is σ = 41115600. Its totient is φ = 39592696.

The previous prime is 40354103. The next prime is 40354163. The reversal of 40354147 is 74145304.

40354147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40354147 - 2¹¹ = 40352099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40354187) by changing a digit.

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, 380647 + ... + 380752.

It is an arithmetic number, because the mean of its divisors is an integer number (10278900).

Almost surely, 2^40354147 is an apocalyptic number.

40354147 is a deficient number, since it is larger than the sum of its proper divisors (761453).

40354147 is an equidigital number, since it uses as much as digits as its factorization.

40354147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761452.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 40354147 is about 6352.4914010174. The cubic root of 40354147 is about 343.0015299679.

The spelling of 40354147 in words is "forty million, three hundred fifty-four thousand, one hundred forty-seven".