244001212040 has 64 divisors (see below), whose sum is σ = 567260928000. Its totient is φ = 94360677120.

The previous prime is 244001212031. The next prime is 244001212043. The reversal of 244001212040 is 40212100442.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (244001212043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1193666 + ... + 1383054.

It is an arithmetic number, because the mean of its divisors is an integer number (8863452000).

Almost surely, 2^244001212040 is an apocalyptic number.

244001212040 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 244001212040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283630464000).

244001212040 is an abundant number, since it is smaller than the sum of its proper divisors (323259715960).

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

244001212040 is a wasteful number, since it uses less digits than its factorization.

244001212040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190470 (or 190466 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 244001212040 its reverse (40212100442), we get a palindrome (284213312482).

The spelling of 244001212040 in words is "two hundred forty-four billion, one million, two hundred twelve thousand, forty".