40949275165 has 8 divisors (see below), whose sum is σ = 49144953528. Its totient is φ = 32755537920.

The previous prime is 40949275153. The next prime is 40949275183. The reversal of 40949275165 is 56157294904.

It can be written as a sum of positive squares in 4 ways, for example, as 27863287929 + 13085987236 = 166923^2 + 114394^2 .

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

It is not a de Polignac number, because 40949275165 - 2³¹ = 38801791517 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 438456 + ... + 523585.

It is an arithmetic number, because the mean of its divisors is an integer number (6143119191).

Almost surely, 2^40949275165 is an apocalyptic number.

It is an amenable number.

40949275165 is a deficient number, since it is larger than the sum of its proper divisors (8195678363).

40949275165 is an equidigital number, since it uses as much as digits as its factorization.

40949275165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970559.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 40949275165 in words is "forty billion, nine hundred forty-nine million, two hundred seventy-five thousand, one hundred sixty-five".