244988040 has 128 divisors (see below), whose sum is σ = 827781120. Its totient is φ = 57465600.

The previous prime is 244987993. The next prime is 244988041. The reversal of 244988040 is 40889442.

It is a self number, because there is not a number n which added to its sum of digits gives 244988040.

It is not an unprimeable number, because it can be changed into a prime (244988041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37927 + ... + 43913.

It is an arithmetic number, because the mean of its divisors is an integer number (6467040).

Almost surely, 2^244988040 is an apocalyptic number.

244988040 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 244988040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413890560).

244988040 is an abundant number, since it is smaller than the sum of its proper divisors (582793080).

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

244988040 is a wasteful number, since it uses less digits than its factorization.

244988040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6043 (or 6039 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 244988040 is about 15652.0937896500. The cubic root of 244988040 is about 625.7222924150.

The spelling of 244988040 in words is "two hundred forty-four million, nine hundred eighty-eight thousand, forty".