40505241407 has 2 divisors, whose sum is σ = 40505241408. Its totient is φ = 40505241406.

The previous prime is 40505241391. The next prime is 40505241499. The reversal of 40505241407 is 70414250504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40505241407 - 2⁴ = 40505241391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40505541407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20252620703 + 20252620704.

It is an arithmetic number, because the mean of its divisors is an integer number (20252620704).

Almost surely, 2^40505241407 is an apocalyptic number.

40505241407 is a deficient number, since it is larger than the sum of its proper divisors (1).

40505241407 is an equidigital number, since it uses as much as digits as its factorization.

40505241407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22400, while the sum is 32.

The spelling of 40505241407 in words is "forty billion, five hundred five million, two hundred forty-one thousand, four hundred seven".