40979633 has 2 divisors, whose sum is σ = 40979634. Its totient is φ = 40979632.

The previous prime is 40979597. The next prime is 40979641. The reversal of 40979633 is 33697904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32982049 + 7997584 = 5743^2 + 2828^2 .

It is a cyclic number.

It is not a de Polignac number, because 40979633 - 2⁶ = 40979569 is a prime.

It is equal to p_2489576 and since 40979633 and 2489576 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (40979833) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20489816 + 20489817.

It is an arithmetic number, because the mean of its divisors is an integer number (20489817).

Almost surely, 2^40979633 is an apocalyptic number.

It is an amenable number.

40979633 is a deficient number, since it is larger than the sum of its proper divisors (1).

40979633 is an equidigital number, since it uses as much as digits as its factorization.

40979633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 40979633 is about 6401.5336443699. The cubic root of 40979633 is about 344.7646171498.

The spelling of 40979633 in words is "forty million, nine hundred seventy-nine thousand, six hundred thirty-three".