244542816 has 144 divisors (see below), whose sum is σ = 803301408. Its totient is φ = 69120000.

The previous prime is 244542811. The next prime is 244542853. The reversal of 244542816 is 618245442.

244542816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244542811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203016 + ... + 204216.

It is an arithmetic number, because the mean of its divisors is an integer number (5578482).

Almost surely, 2^244542816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244542816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401650704).

244542816 is an abundant number, since it is smaller than the sum of its proper divisors (558758592).

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

244542816 is a wasteful number, since it uses less digits than its factorization.

244542816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325 (or 1314 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 244542816 is about 15637.8648158884. The cubic root of 244542816 is about 625.3430146977.

The spelling of 244542816 in words is "two hundred forty-four million, five hundred forty-two thousand, eight hundred sixteen".