40561489708 has 12 divisors (see below), whose sum is σ = 71685405792. Its totient is φ = 20079945200.

The previous prime is 40561489691. The next prime is 40561489721. The reversal of 40561489708 is 80798416504.

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 in 3 ways as a sum of consecutive naturals, for example, 50199460 + ... + 50200267.

It is an arithmetic number, because the mean of its divisors is an integer number (5973783816).

Almost surely, 2^40561489708 is an apocalyptic number.

It is an amenable number.

40561489708 is a deficient number, since it is larger than the sum of its proper divisors (31123916084).

40561489708 is a wasteful number, since it uses less digits than its factorization.

40561489708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100399832 (or 100399830 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 40561489708 in words is "forty billion, five hundred sixty-one million, four hundred eighty-nine thousand, seven hundred eight".