40739718605 has 16 divisors (see below), whose sum is σ = 49091153328. Its totient is φ = 32456256000.

The previous prime is 40739718587. The next prime is 40739718641. The reversal of 40739718605 is 50681793704.

It can be written as a sum of positive squares in 8 ways, for example, as 7934177476 + 32805541129 = 89074^2 + 181123^2 .

It is not a de Polignac number, because 40739718605 - 2⁶ = 40739718541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 2606915 + ... + 2622495.

It is an arithmetic number, because the mean of its divisors is an integer number (3068197083).

Almost surely, 2^40739718605 is an apocalyptic number.

It is an amenable number.

40739718605 is a deficient number, since it is larger than the sum of its proper divisors (8351434723).

40739718605 is a wasteful number, since it uses less digits than its factorization.

40739718605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17728.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 40739718605 in words is "forty billion, seven hundred thirty-nine million, seven hundred eighteen thousand, six hundred five".