40790012 has 12 divisors (see below), whose sum is σ = 71662080. Its totient is φ = 20315136.

The previous prime is 40790011. The next prime is 40790023. The reversal of 40790012 is 21009704.

It is a self number, because there is not a number n which added to its sum of digits gives 40790012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40790011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18812 + ... + 20867.

It is an arithmetic number, because the mean of its divisors is an integer number (5971840).

Almost surely, 2^40790012 is an apocalyptic number.

It is an amenable number.

40790012 is a deficient number, since it is larger than the sum of its proper divisors (30872068).

40790012 is a wasteful number, since it uses less digits than its factorization.

40790012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39940 (or 39938 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 40790012 is about 6386.7058801858. The cubic root of 40790012 is about 344.2320297765.

Adding to 40790012 its reverse (21009704), we get a palindrome (61799716).

The spelling of 40790012 in words is "forty million, seven hundred ninety thousand, twelve".