40810881 has 8 divisors (see below), whose sum is σ = 54471040. Its totient is φ = 27178992.

The previous prime is 40810877. The next prime is 40810883. The reversal of 40810881 is 18801804.

40810881 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 not a de Polignac number, because 40810881 - 2² = 40810877 is a prime.

It is a super-2 number, since 2×40810881² = 3331056015992322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40810883) 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 7 ways as a sum of consecutive naturals, for example, 3430 + ... + 9663.

It is an arithmetic number, because the mean of its divisors is an integer number (6808880).

Almost surely, 2^40810881 is an apocalyptic number.

It is an amenable number.

40810881 is a deficient number, since it is larger than the sum of its proper divisors (13660159).

40810881 is a wasteful number, since it uses less digits than its factorization.

40810881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14135.

The product of its (nonzero) digits is 2048, while the sum is 30.

The square root of 40810881 is about 6388.3394556019. The cubic root of 40810881 is about 344.2907251376.

The spelling of 40810881 in words is "forty million, eight hundred ten thousand, eight hundred eighty-one".