40563303556 has 24 divisors (see below), whose sum is σ = 71196466880. Its totient is φ = 20221542432.

The previous prime is 40563303551. The next prime is 40563303559. The reversal of 40563303556 is 65530336504.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40563303551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2000686 + ... + 2020858.

Almost surely, 2^40563303556 is an apocalyptic number.

It is an amenable number.

40563303556 is a deficient number, since it is larger than the sum of its proper divisors (30633163324).

40563303556 is a wasteful number, since it uses less digits than its factorization.

40563303556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21643 (or 21641 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 40.

The spelling of 40563303556 in words is "forty billion, five hundred sixty-three million, three hundred three thousand, five hundred fifty-six".