40012883 has 4 divisors (see below), whose sum is σ = 42366600. Its totient is φ = 37659168.

The previous prime is 40012871. The next prime is 40012897. The reversal of 40012883 is 38821004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40012883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40012853) 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 in 3 ways as a sum of consecutive naturals, for example, 1176833 + ... + 1176866.

It is an arithmetic number, because the mean of its divisors is an integer number (10591650).

Almost surely, 2^40012883 is an apocalyptic number.

40012883 is a deficient number, since it is larger than the sum of its proper divisors (2353717).

40012883 is a wasteful number, since it uses less digits than its factorization.

40012883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353716.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 40012883 is about 6325.5737289198. The cubic root of 40012883 is about 342.0319014278.

Adding to 40012883 its reverse (38821004), we get a palindrome (78833887).

The spelling of 40012883 in words is "forty million, twelve thousand, eight hundred eighty-three".