244523155140 has 144 divisors (see below), whose sum is σ = 811703954880. Its totient is φ = 59091191040.

The previous prime is 244523155067. The next prime is 244523155147. The reversal of 244523155140 is 41551325442.

244523155140 is a `hidden beast` number, since 2 + 4 + 45 + 23 + 1 + 551 + 40 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 244523155095 and 244523155104.

It is not an unprimeable number, because it can be changed into a prime (244523155147) 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 47 ways as a sum of consecutive naturals, for example, 432871 + ... + 822449.

It is an arithmetic number, because the mean of its divisors is an integer number (5636833020).

Almost surely, 2^244523155140 is an apocalyptic number.

244523155140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244523155140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405851977440).

244523155140 is an abundant number, since it is smaller than the sum of its proper divisors (567180799740).

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

244523155140 is a wasteful number, since it uses less digits than its factorization.

244523155140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389922 (or 389917 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 244523155140 in words is "two hundred forty-four billion, five hundred twenty-three million, one hundred fifty-five thousand, one hundred forty".