40561049359017 has 32 divisors (see below), whose sum is σ = 65556504731520. Its totient is φ = 24581219040000.

The previous prime is 40561049358971. The next prime is 40561049359037. The reversal of 40561049359017 is 71095394016504.

40561049359017 is a `hidden beast` number, since 4 + 0 + 5 + 6 + 1 + 0 + 49 + 3 + 590 + 1 + 7 = 666.

40561049359017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40561049359017 - 2⁸ = 40561049358761 is a prime.

It is a super-2 number, since 2×40561049359017² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40561049359037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2507517 + ... + 9349317.

It is an arithmetic number, because the mean of its divisors is an integer number (2048640772860).

Almost surely, 2^{40561049359017} is an apocalyptic number.

It is an amenable number.

40561049359017 is a deficient number, since it is larger than the sum of its proper divisors (24995455372503).

40561049359017 is a wasteful number, since it uses less digits than its factorization.

40561049359017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6861782 (or 6861776 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The spelling of 40561049359017 in words is "forty trillion, five hundred sixty-one billion, forty-nine million, three hundred fifty-nine thousand, seventeen".