40809027 has 16 divisors (see below), whose sum is σ = 65843712. Its totient is φ = 21947520.

The previous prime is 40808987. The next prime is 40809029. The reversal of 40809027 is 72090804.

40809027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40809027 - 2¹⁴ = 40792643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40808985 and 40809003.

It is not an unprimeable number, because it can be changed into a prime (40809029) 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 15 ways as a sum of consecutive naturals, for example, 56799 + ... + 57512.

It is an arithmetic number, because the mean of its divisors is an integer number (4115232).

Almost surely, 2^40809027 is an apocalyptic number.

40809027 is a deficient number, since it is larger than the sum of its proper divisors (25034685).

40809027 is a wasteful number, since it uses less digits than its factorization.

40809027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114338.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 40809027 is about 6388.1943458226. The cubic root of 40809027 is about 344.2855114572.

The spelling of 40809027 in words is "forty million, eight hundred nine thousand, twenty-seven".