40560610640 has 80 divisors (see below), whose sum is σ = 105656987520. Its totient is φ = 14350671360.

The previous prime is 40560610637. The next prime is 40560610661. The reversal of 40560610640 is 4601606504.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 40560610597 and 40560610606.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 590300 + ... + 655419.

It is an arithmetic number, because the mean of its divisors is an integer number (1320712344).

Almost surely, 2^40560610640 is an apocalyptic number.

40560610640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40560610640 is an abundant number, since it is smaller than the sum of its proper divisors (65096376880).

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

40560610640 is a wasteful number, since it uses less digits than its factorization.

40560610640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245780 (or 1245774 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 40560610640 in words is "forty billion, five hundred sixty million, six hundred ten thousand, six hundred forty".