40541204205 has 24 divisors (see below), whose sum is σ = 71423415960. Its totient is φ = 21267515520.

The previous prime is 40541204203. The next prime is 40541204227. The reversal of 40541204205 is 50240214504.

40541204205 is a `hidden beast` number, since 40 + 5 + 412 + 0 + 4 + 205 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3121009956 + 37420194249 = 55866^2 + 193443^2 .

It is not a de Polignac number, because 40541204205 - 2¹ = 40541204203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40541204203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7381810 + ... + 7387299.

It is an arithmetic number, because the mean of its divisors is an integer number (2975975665).

Almost surely, 2^40541204205 is an apocalyptic number.

40541204205 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40541204205 is a deficient number, since it is larger than the sum of its proper divisors (30882211755).

40541204205 is a wasteful number, since it uses less digits than its factorization.

40541204205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14769181 (or 14769178 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 40541204205 its reverse (50240214504), we get a palindrome (90781418709).

The spelling of 40541204205 in words is "forty billion, five hundred forty-one million, two hundred four thousand, two hundred five".