42865543630466 has 32 divisors (see below), whose sum is σ = 70534724125680. Its totient is φ = 19446968217600.

The previous prime is 42865543630457. The next prime is 42865543630489. The reversal of 42865543630466 is 66403634556824.

It can be written as a sum of positive squares in 8 ways, for example, as 20730127711225 + 22135415919241 = 4553035^2 + 4704829^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42865543630399 and 42865543630408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32233415 + ... + 33536906.

Almost surely, 2^{42865543630466} is an apocalyptic number.

42865543630466 is a deficient number, since it is larger than the sum of its proper divisors (27669180495214).

42865543630466 is a wasteful number, since it uses less digits than its factorization.

42865543630466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65771030.

The product of its (nonzero) digits is 298598400, while the sum is 62.

The spelling of 42865543630466 in words is "forty-two trillion, eight hundred sixty-five billion, five hundred forty-three million, six hundred thirty thousand, four hundred sixty-six".