40879135 has 16 divisors (see below), whose sum is σ = 56663712. Its totient is φ = 27980800.

The previous prime is 40879133. The next prime is 40879147. The reversal of 40879135 is 53197804.

It is not a de Polignac number, because 40879135 - 2¹ = 40879133 is a prime.

It is a super-2 number, since 2×40879135² = 3342207356696450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40879094 and 40879103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40879133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20926 + ... + 22795.

It is an arithmetic number, because the mean of its divisors is an integer number (3541482).

Almost surely, 2^40879135 is an apocalyptic number.

40879135 is a deficient number, since it is larger than the sum of its proper divisors (15784577).

40879135 is a wasteful number, since it uses less digits than its factorization.

40879135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43754.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 40879135 is about 6393.6793006844. The cubic root of 40879135 is about 344.4825541331.

It can be divided in two parts, 40879 and 135, that added together give a palindrome (41014).

The spelling of 40879135 in words is "forty million, eight hundred seventy-nine thousand, one hundred thirty-five".