42661460517 has 32 divisors (see below), whose sum is σ = 62091671040. Its totient is φ = 25897090560.

The previous prime is 42661460477. The next prime is 42661460519. The reversal of 42661460517 is 71506416624.

It is not a de Polignac number, because 42661460517 - 2¹⁸ = 42661198373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42661460519) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1481743 + ... + 1510259.

It is an arithmetic number, because the mean of its divisors is an integer number (1940364720).

Almost surely, 2^42661460517 is an apocalyptic number.

It is an amenable number.

42661460517 is a deficient number, since it is larger than the sum of its proper divisors (19430210523).

42661460517 is a wasteful number, since it uses less digits than its factorization.

42661460517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29053.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 42661460517 in words is "forty-two billion, six hundred sixty-one million, four hundred sixty thousand, five hundred seventeen".