40147427 has 8 divisors (see below), whose sum is σ = 40844832. Its totient is φ = 39456000.

The previous prime is 40147417. The next prime is 40147433. The reversal of 40147427 is 72474104.

40147427 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 cyclic number.

It is not a de Polignac number, because 40147427 - 2⁴ = 40147411 is a prime.

It is a super-2 number, since 2×40147427² = 3223631789440658, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40147427.

It is not an unprimeable number, because it can be changed into a prime (40147417) 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 7 ways as a sum of consecutive naturals, for example, 13277 + ... + 16017.

It is an arithmetic number, because the mean of its divisors is an integer number (5105604).

Almost surely, 2^40147427 is an apocalyptic number.

40147427 is a deficient number, since it is larger than the sum of its proper divisors (697405).

40147427 is a wasteful number, since it uses less digits than its factorization.

40147427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2989.

The product of its (nonzero) digits is 6272, while the sum is 29.

The square root of 40147427 is about 6336.1997285439. The cubic root of 40147427 is about 342.4148352372.

The spelling of 40147427 in words is "forty million, one hundred forty-seven thousand, four hundred twenty-seven".