40424579513 has 2 divisors, whose sum is σ = 40424579514. Its totient is φ = 40424579512.

The previous prime is 40424579491. The next prime is 40424579519. The reversal of 40424579513 is 31597542404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40097259049 + 327320464 = 200243^2 + 18092^2 .

It is a cyclic number.

It is not a de Polignac number, because 40424579513 - 2⁶ = 40424579449 is a prime.

It is not a weakly prime, because it can be changed into another prime (40424579519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20212289756 + 20212289757.

It is an arithmetic number, because the mean of its divisors is an integer number (20212289757).

Almost surely, 2^40424579513 is an apocalyptic number.

It is an amenable number.

40424579513 is a deficient number, since it is larger than the sum of its proper divisors (1).

40424579513 is an equidigital number, since it uses as much as digits as its factorization.

40424579513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 40424579513 in words is "forty billion, four hundred twenty-four million, five hundred seventy-nine thousand, five hundred thirteen".