40236253585865 has 8 divisors (see below), whose sum is σ = 48398739399360. Its totient is φ = 32112179471152.

The previous prime is 40236253585849. The next prime is 40236253585937. The reversal of 40236253585865 is 56858535263204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40236253585865 - 2⁴ = 40236253585849 is a prime.

It is a super-2 number, since 2×40236253585865² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40236253585798 and 40236253585807.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9602922389 + ... + 9602926578.

It is an arithmetic number, because the mean of its divisors is an integer number (6049842424920).

Almost surely, 2^{40236253585865} is an apocalyptic number.

It is an amenable number.

40236253585865 is a deficient number, since it is larger than the sum of its proper divisors (8162485813495).

40236253585865 is a wasteful number, since it uses less digits than its factorization.

40236253585865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19205849391.

The product of its (nonzero) digits is 207360000, while the sum is 62.

The spelling of 40236253585865 in words is "forty trillion, two hundred thirty-six billion, two hundred fifty-three million, five hundred eighty-five thousand, eight hundred sixty-five".