40845109895 has 8 divisors (see below), whose sum is σ = 49489997856. Its totient is φ = 32358843936.

The previous prime is 40845109841. The next prime is 40845109909. The reversal of 40845109895 is 59890154804.

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 40845109895 - 2¹² = 40845105799 is a prime.

It is a super-2 number, since 2×40845109895² (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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39654932 + ... + 39655961.

It is an arithmetic number, because the mean of its divisors is an integer number (6186249732).

Almost surely, 2^40845109895 is an apocalyptic number.

40845109895 is a deficient number, since it is larger than the sum of its proper divisors (8644887961).

40845109895 is a wasteful number, since it uses less digits than its factorization.

40845109895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79311001.

The product of its (nonzero) digits is 2073600, while the sum is 53.

The spelling of 40845109895 in words is "forty billion, eight hundred forty-five million, one hundred nine thousand, eight hundred ninety-five".