40550212 has 6 divisors (see below), whose sum is σ = 70962878. Its totient is φ = 20275104.

The previous prime is 40550203. The next prime is 40550239. The reversal of 40550212 is 21205504.

It can be written as a sum of positive squares in only one way, i.e., 34857216 + 5692996 = 5904^2 + 2386^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40550212.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5068773 + ... + 5068780.

Almost surely, 2^40550212 is an apocalyptic number.

It is an amenable number.

40550212 is a deficient number, since it is larger than the sum of its proper divisors (30412666).

40550212 is a wasteful number, since it uses less digits than its factorization.

40550212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10137557 (or 10137555 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 40550212 is about 6367.9048359723. The cubic root of 40550212 is about 343.5561361091.

Adding to 40550212 its reverse (21205504), we get a palindrome (61755716).

The spelling of 40550212 in words is "forty million, five hundred fifty thousand, two hundred twelve".