40579841 has 2 divisors, whose sum is σ = 40579842. Its totient is φ = 40579840.

The previous prime is 40579829. The next prime is 40579859. The reversal of 40579841 is 14897504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39325441 + 1254400 = 6271^2 + 1120^2 .

It is a cyclic number.

It is not a de Polignac number, because 40579841 - 2¹⁰ = 40578817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40579795 and 40579804.

It is not a weakly prime, because it can be changed into another prime (40579871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20289920 + 20289921.

It is an arithmetic number, because the mean of its divisors is an integer number (20289921).

Almost surely, 2^40579841 is an apocalyptic number.

It is an amenable number.

40579841 is a deficient number, since it is larger than the sum of its proper divisors (1).

40579841 is an equidigital number, since it uses as much as digits as its factorization.

40579841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 40579841 is about 6370.2308435409. The cubic root of 40579841 is about 343.6397916235.

The spelling of 40579841 in words is "forty million, five hundred seventy-nine thousand, eight hundred forty-one".