40707212 has 24 divisors (see below), whose sum is σ = 87677856. Its totient is φ = 16103808.

The previous prime is 40707179. The next prime is 40707223. The reversal of 40707212 is 21270704.

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, 55553 + ... + 56280.

It is an arithmetic number, because the mean of its divisors is an integer number (3653244).

Almost surely, 2^40707212 is an apocalyptic number.

It is an amenable number.

40707212 is an abundant number, since it is smaller than the sum of its proper divisors (46970644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40707212 is a wasteful number, since it uses less digits than its factorization.

40707212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111857 (or 111855 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 40707212 is about 6380.2203723696. The cubic root of 40707212 is about 343.9989521331.

Adding to 40707212 its reverse (21270704), we get a palindrome (61977916).

The spelling of 40707212 in words is "forty million, seven hundred seven thousand, two hundred twelve".