40630205 has 16 divisors (see below), whose sum is σ = 60787584. Its totient is φ = 25327680.

The previous prime is 40630201. The next prime is 40630211. The reversal of 40630205 is 50203604.

40630205 = T₃₂₂ + T₃₂₃ + ... + T₆₅₁.

It is not a de Polignac number, because 40630205 - 2² = 40630201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40630201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52382 + ... + 53151.

It is an arithmetic number, because the mean of its divisors is an integer number (3799224).

Almost surely, 2^40630205 is an apocalyptic number.

It is an amenable number.

40630205 is a deficient number, since it is larger than the sum of its proper divisors (20157379).

40630205 is a wasteful number, since it uses less digits than its factorization.

40630205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105556.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 40630205 is about 6374.1826927066. The cubic root of 40630205 is about 343.7818976461.

Adding to 40630205 its reverse (50203604), we get a palindrome (90833809).

The spelling of 40630205 in words is "forty million, six hundred thirty thousand, two hundred five".