40861513830461 has 8 divisors (see below), whose sum is σ = 41262937175040. Its totient is φ = 40461625566432.

The previous prime is 40861513830443. The next prime is 40861513830469. The reversal of 40861513830461 is 16403831516804.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40861513830461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40861513830469) 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, 383716640 + ... + 383823113.

It is an arithmetic number, because the mean of its divisors is an integer number (5157867146880).

Almost surely, 2^{40861513830461} is an apocalyptic number.

It is an amenable number.

40861513830461 is a deficient number, since it is larger than the sum of its proper divisors (401423344579).

40861513830461 is a wasteful number, since it uses less digits than its factorization.

40861513830461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767540275.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 40861513830461 in words is "forty trillion, eight hundred sixty-one billion, five hundred thirteen million, eight hundred thirty thousand, four hundred sixty-one".