40355304439 has 2 divisors, whose sum is σ = 40355304440. Its totient is φ = 40355304438.

The previous prime is 40355304433. The next prime is 40355304469. The reversal of 40355304439 is 93440355304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40355304439 - 2²⁹ = 39818433527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40355304433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20177652219 + 20177652220.

It is an arithmetic number, because the mean of its divisors is an integer number (20177652220).

Almost surely, 2^40355304439 is an apocalyptic number.

40355304439 is a deficient number, since it is larger than the sum of its proper divisors (1).

40355304439 is an equidigital number, since it uses as much as digits as its factorization.

40355304439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 40.

The spelling of 40355304439 in words is "forty billion, three hundred fifty-five million, three hundred four thousand, four hundred thirty-nine".