40856894 has 8 divisors (see below), whose sum is σ = 65999640. Its totient is φ = 18857016.

The previous prime is 40856867. The next prime is 40856909. The reversal of 40856894 is 49865804.

It is a happy number.

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

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, 785684 + ... + 785735.

It is an arithmetic number, because the mean of its divisors is an integer number (8249955).

Almost surely, 2^40856894 is an apocalyptic number.

40856894 is a deficient number, since it is larger than the sum of its proper divisors (25142746).

40856894 is a wasteful number, since it uses less digits than its factorization.

40856894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571434.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 40856894 is about 6391.9397681768. The cubic root of 40856894 is about 344.4200689036.

The spelling of 40856894 in words is "forty million, eight hundred fifty-six thousand, eight hundred ninety-four".