40635212 has 6 divisors (see below), whose sum is σ = 71111628. Its totient is φ = 20317604.

The previous prime is 40635209. The next prime is 40635233. The reversal of 40635212 is 21253604.

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 as a sum of consecutive naturals, namely, 5079398 + ... + 5079405.

It is an arithmetic number, because the mean of its divisors is an integer number (11851938).

Almost surely, 2^40635212 is an apocalyptic number.

It is an amenable number.

40635212 is a deficient number, since it is larger than the sum of its proper divisors (30476416).

40635212 is a wasteful number, since it uses less digits than its factorization.

40635212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10158807 (or 10158805 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 40635212 is about 6374.5754368428. The cubic root of 40635212 is about 343.7960188748.

Adding to 40635212 its reverse (21253604), we get a palindrome (61888816).

The spelling of 40635212 in words is "forty million, six hundred thirty-five thousand, two hundred twelve".