40826109 has 8 divisors (see below), whose sum is σ = 54916992. Its totient is φ = 26976320.

The previous prime is 40826089. The next prime is 40826111. The reversal of 40826109 is 90162804.

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

It is a cyclic number.

It is not a de Polignac number, because 40826109 - 2⁵ = 40826077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40826189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59877 + ... + 60554.

It is an arithmetic number, because the mean of its divisors is an integer number (6864624).

Almost surely, 2^40826109 is an apocalyptic number.

It is an amenable number.

40826109 is a deficient number, since it is larger than the sum of its proper divisors (14090883).

40826109 is a wasteful number, since it uses less digits than its factorization.

40826109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120547.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 40826109 is about 6389.5312034609. The cubic root of 40826109 is about 344.3335422088. Note that the first 3 decimals are identical.

The spelling of 40826109 in words is "forty million, eight hundred twenty-six thousand, one hundred nine".