40040260012 has 24 divisors (see below), whose sum is σ = 71820102816. Its totient is φ = 19524755328.

The previous prime is 40040259967. The next prime is 40040260037. The reversal of 40040260012 is 21006204004.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 530073 + ... + 600880.

It is an arithmetic number, because the mean of its divisors is an integer number (2992504284).

Almost surely, 2^40040260012 is an apocalyptic number.

It is an amenable number.

40040260012 is a deficient number, since it is larger than the sum of its proper divisors (31779842804).

40040260012 is a wasteful number, since it uses less digits than its factorization.

40040260012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131177 (or 1131175 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 40040260012 its reverse (21006204004), we get a palindrome (61046464016).

The spelling of 40040260012 in words is "forty billion, forty million, two hundred sixty thousand, twelve".