244120133040 has 160 divisors (see below), whose sum is σ = 866438830080. Its totient is φ = 55698496512.

The previous prime is 244120133039. The next prime is 244120133057. The reversal of 244120133040 is 40331021442.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 244120133040.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 805321 + ... + 1066199.

It is an arithmetic number, because the mean of its divisors is an integer number (5415242688).

Almost surely, 2^244120133040 is an apocalyptic number.

244120133040 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 244120133040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433219415040).

244120133040 is an abundant number, since it is smaller than the sum of its proper divisors (622318697040).

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

244120133040 is a wasteful number, since it uses less digits than its factorization.

244120133040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261459 (or 261453 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 244120133040 its reverse (40331021442), we get a palindrome (284451154482).

The spelling of 244120133040 in words is "two hundred forty-four billion, one hundred twenty million, one hundred thirty-three thousand, forty".