40311412 has 6 divisors (see below), whose sum is σ = 70544978. Its totient is φ = 20155704.

The previous prime is 40311391. The next prime is 40311431. The reversal of 40311412 is 21411304.

40311412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 38390416 + 1920996 = 6196^2 + 1386^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5038923 + ... + 5038930.

Almost surely, 2^40311412 is an apocalyptic number.

It is an amenable number.

40311412 is a deficient number, since it is larger than the sum of its proper divisors (30233566).

40311412 is a wasteful number, since it uses less digits than its factorization.

40311412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10077857 (or 10077855 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 40311412 is about 6349.1268691057. The cubic root of 40311412 is about 342.8804077798.

Adding to 40311412 its reverse (21411304), we get a palindrome (61722716).

The spelling of 40311412 in words is "forty million, three hundred eleven thousand, four hundred twelve".