40223002579 has 2 divisors, whose sum is σ = 40223002580. Its totient is φ = 40223002578.

The previous prime is 40223002459. The next prime is 40223002637. The reversal of 40223002579 is 97520032204.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40223002579 - 2¹⁹ = 40222478291 is a prime.

It is not a weakly prime, because it can be changed into another prime (40223002979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20111501289 + 20111501290.

It is an arithmetic number, because the mean of its divisors is an integer number (20111501290).

Almost surely, 2^40223002579 is an apocalyptic number.

40223002579 is a deficient number, since it is larger than the sum of its proper divisors (1).

40223002579 is an equidigital number, since it uses as much as digits as its factorization.

40223002579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 40223002579 in words is "forty billion, two hundred twenty-three million, two thousand, five hundred seventy-nine".