40803963 has 8 divisors (see below), whose sum is σ = 57268800. Its totient is φ = 25770888.

The previous prime is 40803929. The next prime is 40803977. The reversal of 40803963 is 36930804.

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

It is not a de Polignac number, because 40803963 - 2¹² = 40799867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40813963) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 357873 + ... + 357986.

It is an arithmetic number, because the mean of its divisors is an integer number (7158600).

Almost surely, 2^40803963 is an apocalyptic number.

40803963 is a deficient number, since it is larger than the sum of its proper divisors (16464837).

40803963 is a wasteful number, since it uses less digits than its factorization.

40803963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715881.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 40803963 is about 6387.7979773941. The cubic root of 40803963 is about 344.2712700497.

The spelling of 40803963 in words is "forty million, eight hundred three thousand, nine hundred sixty-three".