40041002012 has 72 divisors (see below), whose sum is σ = 78740747568. Its totient is φ = 17796430080.

The previous prime is 40041001981. The next prime is 40041002039. The reversal of 40041002012 is 21020014004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8026583 + ... + 8031569.

It is an arithmetic number, because the mean of its divisors is an integer number (1093621494).

Almost surely, 2^40041002012 is an apocalyptic number.

It is an amenable number.

40041002012 is a deficient number, since it is larger than the sum of its proper divisors (38699745556).

40041002012 is a wasteful number, since it uses less digits than its factorization.

40041002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5379 (or 5366 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 40041002012 its reverse (21020014004), we get a palindrome (61061016016).

The spelling of 40041002012 in words is "forty billion, forty-one million, two thousand, twelve".