40857746 has 8 divisors (see below), whose sum is σ = 62025264. Its totient is φ = 20182660.

The previous prime is 40857703. The next prime is 40857757. The reversal of 40857746 is 64775804.

40857746 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 Curzon number.

It is an unprimeable number.

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, 122900 + ... + 123231.

It is an arithmetic number, because the mean of its divisors is an integer number (7753158).

Almost surely, 2^40857746 is an apocalyptic number.

40857746 is a deficient number, since it is larger than the sum of its proper divisors (21167518).

40857746 is a wasteful number, since it uses less digits than its factorization.

40857746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246216.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 40857746 is about 6392.0064142646. The cubic root of 40857746 is about 344.4224629823.

The spelling of 40857746 in words is "forty million, eight hundred fifty-seven thousand, seven hundred forty-six".