40013452012 has 6 divisors (see below), whose sum is σ = 70023541028. Its totient is φ = 20006726004.

The previous prime is 40013451997. The next prime is 40013452043. The reversal of 40013452012 is 21025431004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001681498 + ... + 5001681505.

Almost surely, 2^40013452012 is an apocalyptic number.

It is an amenable number.

40013452012 is a deficient number, since it is larger than the sum of its proper divisors (30010089016).

40013452012 is a wasteful number, since it uses less digits than its factorization.

40013452012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10003363007 (or 10003363005 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 40013452012 its reverse (21025431004), we get a palindrome (61038883016).

The spelling of 40013452012 in words is "forty billion, thirteen million, four hundred fifty-two thousand, twelve".