40851842 has 8 divisors (see below), whose sum is σ = 61684032. Its totient is φ = 20290500.

The previous prime is 40851823. The next prime is 40851847. The reversal of 40851842 is 24815804.

It is a happy number.

40851842 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 junction number, because it is equal to n+sod(n) for n = 40851799 and 40851808.

It is not an unprimeable number, because it can be changed into a prime (40851847) 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, 67334 + ... + 67937.

It is an arithmetic number, because the mean of its divisors is an integer number (7710504).

Almost surely, 2^40851842 is an apocalyptic number.

40851842 is a deficient number, since it is larger than the sum of its proper divisors (20832190).

40851842 is a wasteful number, since it uses less digits than its factorization.

40851842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135424.

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 40851842 is about 6391.5445707591. The cubic root of 40851842 is about 344.4058723447.

The spelling of 40851842 in words is "forty million, eight hundred fifty-one thousand, eight hundred forty-two".