40041205 has 8 divisors (see below), whose sum is σ = 50875992. Its totient is φ = 30148608.

The previous prime is 40041203. The next prime is 40041223. The reversal of 40041205 is 50214004.

It can be written as a sum of positive squares in 4 ways, for example, as 6932689 + 33108516 = 2633^2 + 5754^2 .

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 40041205 - 2¹ = 40041203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40041203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235452 + ... + 235621.

It is an arithmetic number, because the mean of its divisors is an integer number (6359499).

Almost surely, 2^40041205 is an apocalyptic number.

It is an amenable number.

40041205 is a deficient number, since it is larger than the sum of its proper divisors (10834787).

40041205 is a wasteful number, since it uses less digits than its factorization.

40041205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471095.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 40041205 is about 6327.8120231246. The cubic root of 40041205 is about 342.1125816331.

Adding to 40041205 its reverse (50214004), we get a palindrome (90255209).

The spelling of 40041205 in words is "forty million, forty-one thousand, two hundred five".