544145321622 has 64 divisors (see below), whose sum is σ = 1245991887360. Its totient is φ = 155191417344.

The previous prime is 544145321597. The next prime is 544145321623. The reversal of 544145321622 is 226123541445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544145321623) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 107557329 + ... + 107562387.

It is an arithmetic number, because the mean of its divisors is an integer number (19468623240).

Almost surely, 2^544145321622 is an apocalyptic number.

544145321622 is an abundant number, since it is smaller than the sum of its proper divisors (701846565738).

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

544145321622 is a wasteful number, since it uses less digits than its factorization.

544145321622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9157.

The product of its digits is 230400, while the sum is 39.

The spelling of 544145321622 in words is "five hundred forty-four billion, one hundred forty-five million, three hundred twenty-one thousand, six hundred twenty-two".