40341643361 has 8 divisors (see below), whose sum is σ = 41397231624. Its totient is φ = 39289466880.

The previous prime is 40341643343. The next prime is 40341643367. The reversal of 40341643361 is 16334614304.

It can be written as a sum of positive squares in 4 ways, for example, as 7786297600 + 32555345761 = 88240^2 + 180431^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-40341643361 is a prime.

It is a super-2 number, since 2×40341643361² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40341643367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 828980 + ... + 876293.

It is an arithmetic number, because the mean of its divisors is an integer number (5174653953).

Almost surely, 2^40341643361 is an apocalyptic number.

40341643361 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

40341643361 is a deficient number, since it is larger than the sum of its proper divisors (1055588263).

40341643361 is a wasteful number, since it uses less digits than its factorization.

40341643361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705891.

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 40341643361 in words is "forty billion, three hundred forty-one million, six hundred forty-three thousand, three hundred sixty-one".