40136057365 has 16 divisors (see below), whose sum is σ = 48835121328. Its totient is φ = 31661162496.

The previous prime is 40136057321. The next prime is 40136057371. The reversal of 40136057365 is 56375063104.

It can be written as a sum of positive squares in 8 ways, for example, as 7243882321 + 32892175044 = 85111^2 + 181362^2 .

It is a cyclic number.

It is not a de Polignac number, because 40136057365 - 2¹⁷ = 40135926293 is a prime.

It is a super-2 number, since 2×40136057365² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1790869 + ... + 1813141.

It is an arithmetic number, because the mean of its divisors is an integer number (3052195083).

Almost surely, 2^40136057365 is an apocalyptic number.

It is an amenable number.

40136057365 is a deficient number, since it is larger than the sum of its proper divisors (8699063963).

40136057365 is a wasteful number, since it uses less digits than its factorization.

40136057365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27288.

The product of its (nonzero) digits is 226800, while the sum is 40.

The spelling of 40136057365 in words is "forty billion, one hundred thirty-six million, fifty-seven thousand, three hundred sixty-five".