40211210 has 16 divisors (see below), whose sum is σ = 77948136. Its totient is φ = 14847168.

The previous prime is 40211209. The next prime is 40211233. The reversal of 40211210 is 1211204.

It can be written as a sum of positive squares in 4 ways, for example, as 35366809 + 4844401 = 5947^2 + 2201^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40211191 and 40211200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154529 + ... + 154788.

Almost surely, 2^40211210 is an apocalyptic number.

40211210 is a deficient number, since it is larger than the sum of its proper divisors (37736926).

40211210 is a wasteful number, since it uses less digits than its factorization.

40211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309337.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 40211210 is about 6341.2309530564. The cubic root of 40211210 is about 342.5960730006.

Adding to 40211210 its reverse (1211204), we get a palindrome (41422414).

The spelling of 40211210 in words is "forty million, two hundred eleven thousand, two hundred ten".