40563601446 has 16 divisors (see below), whose sum is σ = 81145209600. Its totient is φ = 13518199368.

The previous prime is 40563601423. The next prime is 40563601447. The reversal of 40563601446 is 64410636504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40563601447) by changing a digit.

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, 720906 + ... + 775133.

It is an arithmetic number, because the mean of its divisors is an integer number (5071575600).

Almost surely, 2^40563601446 is an apocalyptic number.

40563601446 is an abundant number, since it is smaller than the sum of its proper divisors (40581608154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40563601446 is a wasteful number, since it uses less digits than its factorization.

40563601446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500563.

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 40563601446 in words is "forty billion, five hundred sixty-three million, six hundred one thousand, four hundred forty-six".