42865543630464 has 32 divisors (see below), whose sum is σ = 113861600269440. Its totient is φ = 14288514543360.

The previous prime is 42865543630457. The next prime is 42865543630489. The reversal of 42865543630464 is 46403634556824.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 42865543630398 and 42865543630407.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 55814509552 + ... + 55814510319.

It is an arithmetic number, because the mean of its divisors is an integer number (3558175008420).

Almost surely, 2^{42865543630464} is an apocalyptic number.

It is an amenable number.

42865543630464 is an abundant number, since it is smaller than the sum of its proper divisors (70996056638976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42865543630464 is a wasteful number, since it uses less digits than its factorization.

42865543630464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111629019888 (or 111629019876 counting only the distinct ones).

The product of its (nonzero) digits is 199065600, while the sum is 60.

The spelling of 42865543630464 in words is "forty-two trillion, eight hundred sixty-five billion, five hundred forty-three million, six hundred thirty thousand, four hundred sixty-four".