40879069 has 8 divisors (see below), whose sum is σ = 50966208. Its totient is φ = 31853760.

The previous prime is 40879063. The next prime is 40879081. The reversal of 40879069 is 96097804.

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 40879069 - 2³ = 40879061 is a prime.

It is a super-2 number, since 2×40879069² = 3342196564613522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40879061) 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, 265372 + ... + 265525.

It is an arithmetic number, because the mean of its divisors is an integer number (6370776).

Almost surely, 2^40879069 is an apocalyptic number.

It is an amenable number.

40879069 is a deficient number, since it is larger than the sum of its proper divisors (10087139).

40879069 is a wasteful number, since it uses less digits than its factorization.

40879069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530915.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 40879069 is about 6393.6741393349. The cubic root of 40879069 is about 344.4823687421.

The spelling of 40879069 in words is "forty million, eight hundred seventy-nine thousand, sixty-nine".