40847342 has 8 divisors (see below), whose sum is σ = 61311432. Its totient is φ = 20410200.

The previous prime is 40847299. The next prime is 40847383. The reversal of 40847342 is 24374804.

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

It is a junction number, because it is equal to n+sod(n) for n = 40847299 and 40847308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2384 + ... + 9347.

It is an arithmetic number, because the mean of its divisors is an integer number (7663929).

Almost surely, 2^40847342 is an apocalyptic number.

40847342 is a deficient number, since it is larger than the sum of its proper divisors (20464090).

40847342 is a wasteful number, since it uses less digits than its factorization.

40847342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13474.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 40847342 is about 6391.1925334792. The cubic root of 40847342 is about 344.3932259681.

The spelling of 40847342 in words is "forty million, eight hundred forty-seven thousand, three hundred forty-two".