40804368329 has 4 divisors (see below), whose sum is σ = 41078223300. Its totient is φ = 40530513360.

The previous prime is 40804368313. The next prime is 40804368349. The reversal of 40804368329 is 92386340804.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4218242704 + 36586125625 = 64948^2 + 191275^2 .

It is a cyclic number.

It is not a de Polignac number, because 40804368329 - 2⁴ = 40804368313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40804368349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136927262 + ... + 136927559.

It is an arithmetic number, because the mean of its divisors is an integer number (10269555825).

Almost surely, 2^40804368329 is an apocalyptic number.

It is an amenable number.

40804368329 is a deficient number, since it is larger than the sum of its proper divisors (273854971).

40804368329 is a wasteful number, since it uses less digits than its factorization.

40804368329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273854970.

The product of its (nonzero) digits is 995328, while the sum is 47.

The spelling of 40804368329 in words is "forty billion, eight hundred four million, three hundred sixty-eight thousand, three hundred twenty-nine".