42845454824 has 128 divisors (see below), whose sum is σ = 88248074400. Its totient is φ = 19424870400.

The previous prime is 42845454809. The next prime is 42845454851.

42845454824 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 16 ways, for example, as 42800161924 + 45292900 = 206882^2 + 6730^2 .

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 31 ways as a sum of consecutive naturals, for example, 166713704 + ... + 166713960.

Almost surely, 2^42845454824 is an apocalyptic number.

It is an amenable number.

42845454824 is an abundant number, since it is smaller than the sum of its proper divisors (45402619576).

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

42845454824 is a wasteful number, since it uses less digits than its factorization.

42845454824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 659 counting only the distinct ones).

The product of its digits is 6553600, while the sum is 50.

The spelling of 42845454824 in words is "forty-two billion, eight hundred forty-five million, four hundred fifty-four thousand, eight hundred twenty-four".