42445654424 has 64 divisors (see below), whose sum is σ = 84417984000. Its totient is φ = 19972270080.

The previous prime is 42445654421. The next prime is 42445654439.

It is a happy number.

42445654424 is nontrivially palindromic in base 10.

42445654424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42445654421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18956297 + ... + 18958535.

It is an arithmetic number, because the mean of its divisors is an integer number (1319031000).

Almost surely, 2^42445654424 is an apocalyptic number.

It is an amenable number.

42445654424 is a deficient number, since it is larger than the sum of its proper divisors (41972329576).

42445654424 is a wasteful number, since it uses less digits than its factorization.

42445654424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4308 (or 4304 counting only the distinct ones).

The product of its digits is 2457600, while the sum is 44.

The spelling of 42445654424 in words is "forty-two billion, four hundred forty-five million, six hundred fifty-four thousand, four hundred twenty-four".