40559540554 has 8 divisors (see below), whose sum is σ = 65519257860. Its totient is φ = 18719787936.

The previous prime is 40559540537. The next prime is 40559540557. The reversal of 40559540554 is 45504595504.

It can be written as a sum of positive squares in 2 ways, for example, as 35564302225 + 4995238329 = 188585^2 + 70677^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40559540557) 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 3 ways as a sum of consecutive naturals, for example, 779991139 + ... + 779991190.

Almost surely, 2^40559540554 is an apocalyptic number.

40559540554 is a deficient number, since it is larger than the sum of its proper divisors (24959717306).

40559540554 is a wasteful number, since it uses less digits than its factorization.

40559540554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559982344.

The product of its (nonzero) digits is 1800000, while the sum is 46.

The spelling of 40559540554 in words is "forty billion, five hundred fifty-nine million, five hundred forty thousand, five hundred fifty-four".