42506501466064 has 20 divisors (see below), whose sum is σ = 82356530589604. Its totient is φ = 21253203249408.

The previous prime is 42506501466031. The next prime is 42506501466071. The reversal of 42506501466064 is 46066410560524.

42506501466064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7201751897664 + 35304749568400 = 2683608^2 + 5941780^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42506501465999 and 42506501466017.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5078614 + ... + 10526410.

Almost surely, 2^{42506501466064} is an apocalyptic number.

It is an amenable number.

42506501466064 is a deficient number, since it is larger than the sum of its proper divisors (39850029123540).

42506501466064 is a wasteful number, since it uses less digits than its factorization.

42506501466064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5935462 (or 5935456 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 42506501466064 in words is "forty-two trillion, five hundred six billion, five hundred one million, four hundred sixty-six thousand, sixty-four".