40865134465 has 8 divisors (see below), whose sum is σ = 49054864320. Its totient is φ = 32680972272.

The previous prime is 40865134459. The next prime is 40865134481. The reversal of 40865134465 is 56443156804.

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 40865134465 - 2⁷ = 40865134337 is a prime.

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, 1375749 + ... + 1405138.

It is an arithmetic number, because the mean of its divisors is an integer number (6131858040).

Almost surely, 2^40865134465 is an apocalyptic number.

It is an amenable number.

40865134465 is a deficient number, since it is larger than the sum of its proper divisors (8189729855).

40865134465 is a wasteful number, since it uses less digits than its factorization.

40865134465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783831.

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 40865134465 in words is "forty billion, eight hundred sixty-five million, one hundred thirty-four thousand, four hundred sixty-five".