40700012 has 6 divisors (see below), whose sum is σ = 71225028. Its totient is φ = 20350004.

The previous prime is 40699991. The next prime is 40700017. The reversal of 40700012 is 21000704.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40700012.

It is not an unprimeable number, because it can be changed into a prime (40700017) by changing a digit.

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, 5087498 + ... + 5087505.

It is an arithmetic number, because the mean of its divisors is an integer number (11870838).

Almost surely, 2^40700012 is an apocalyptic number.

It is an amenable number.

40700012 is a deficient number, since it is larger than the sum of its proper divisors (30525016).

40700012 is a wasteful number, since it uses less digits than its factorization.

40700012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10175007 (or 10175005 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 40700012 is about 6379.6561035843. The cubic root of 40700012 is about 343.9786695806.

Adding to 40700012 its reverse (21000704), we get a palindrome (61700716).

The spelling of 40700012 in words is "forty million, seven hundred thousand, twelve".