544422642464 has 48 divisors (see below), whose sum is σ = 1105650399168. Its totient is φ = 263687369472.

The previous prime is 544422642409. The next prime is 544422642521. The reversal of 544422642464 is 464246224445.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 744044 + ... + 1281579.

It is an arithmetic number, because the mean of its divisors is an integer number (23034383316).

Almost surely, 2^544422642464 is an apocalyptic number.

It is an amenable number.

544422642464 is an abundant number, since it is smaller than the sum of its proper divisors (561227756704).

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

544422642464 is a wasteful number, since it uses less digits than its factorization.

544422642464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025897 (or 2025889 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 47.

The spelling of 544422642464 in words is "five hundred forty-four billion, four hundred twenty-two million, six hundred forty-two thousand, four hundred sixty-four".