40825856 has 22 divisors (see below), whose sum is σ = 81613890. Its totient is φ = 20412416.

The previous prime is 40825849. The next prime is 40825909. The reversal of 40825856 is 65852804.

It can be written as a sum of positive squares in only one way, i.e., 35808256 + 5017600 = 5984^2 + 2240^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18911 + ... + 20958.

Almost surely, 2^40825856 is an apocalyptic number.

It is an amenable number.

40825856 is a deficient number, since it is larger than the sum of its proper divisors (40788034).

40825856 is an equidigital number, since it uses as much as digits as its factorization.

40825856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39889 (or 39871 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 40825856 is about 6389.5114054206. The cubic root of 40825856 is about 344.3328309274.

The spelling of 40825856 in words is "forty million, eight hundred twenty-five thousand, eight hundred fifty-six".