40523452012 has 12 divisors (see below), whose sum is σ = 70990932600. Its totient is φ = 20240328416.

The previous prime is 40523451989. The next prime is 40523452027. The reversal of 40523452012 is 21025432504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5345137 + ... + 5352712.

It is an arithmetic number, because the mean of its divisors is an integer number (5915911050).

Almost surely, 2^40523452012 is an apocalyptic number.

It is an amenable number.

40523452012 is a deficient number, since it is larger than the sum of its proper divisors (30467480588).

40523452012 is a wasteful number, since it uses less digits than its factorization.

40523452012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10698800 (or 10698798 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 40523452012 its reverse (21025432504), we get a palindrome (61548884516).

The spelling of 40523452012 in words is "forty billion, five hundred twenty-three million, four hundred fifty-two thousand, twelve".