40604636507 has 2 divisors, whose sum is σ = 40604636508. Its totient is φ = 40604636506.

The previous prime is 40604636477. The next prime is 40604636531. The reversal of 40604636507 is 70563640604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40604636507 - 2²² = 40600442203 is a prime.

It is a super-2 number, since 2×40604636507² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40604636557) 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, 20302318253 + 20302318254.

It is an arithmetic number, because the mean of its divisors is an integer number (20302318254).

Almost surely, 2^40604636507 is an apocalyptic number.

40604636507 is a deficient number, since it is larger than the sum of its proper divisors (1).

40604636507 is an equidigital number, since it uses as much as digits as its factorization.

40604636507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 40604636507 in words is "forty billion, six hundred four million, six hundred thirty-six thousand, five hundred seven".