40953576865 has 4 divisors (see below), whose sum is σ = 49144292244. Its totient is φ = 32762861488.

The previous prime is 40953576821. The next prime is 40953576899. The reversal of 40953576865 is 56867535904.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27027688801 + 13925888064 = 164401^2 + 118008^2 .

It is a cyclic number.

It is not a de Polignac number, because 40953576865 - 2²³ = 40945188257 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 4095357682 + ... + 4095357691.

It is an arithmetic number, because the mean of its divisors is an integer number (12286073061).

Almost surely, 2^40953576865 is an apocalyptic number.

It is an amenable number.

40953576865 is a deficient number, since it is larger than the sum of its proper divisors (8190715379).

40953576865 is an equidigital number, since it uses as much as digits as its factorization.

40953576865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8190715378.

The product of its (nonzero) digits is 27216000, while the sum is 58.

The spelling of 40953576865 in words is "forty billion, nine hundred fifty-three million, five hundred seventy-six thousand, eight hundred sixty-five".