42645454624 has 24 divisors (see below), whose sum is σ = 84789514908. Its totient is φ = 21111609600.

The previous prime is 42645454613. The next prime is 42645454639.

42645454624 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 39787483024 + 2857971600 = 199468^2 + 53460^2 .

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, 6594147 + ... + 6600610.

Almost surely, 2^42645454624 is an apocalyptic number.

It is an amenable number.

42645454624 is a deficient number, since it is larger than the sum of its proper divisors (42144060284).

42645454624 is a wasteful number, since it uses less digits than its factorization.

42645454624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13194868 (or 13194860 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 46.

The spelling of 42645454624 in words is "forty-two billion, six hundred forty-five million, four hundred fifty-four thousand, six hundred twenty-four".