244246026240 has 336 divisors, whose sum is σ = 878695927200. Its totient is φ = 65130283008.

The previous prime is 244246026173. The next prime is 244246026257. The reversal of 244246026240 is 42620642442.

244246026240 is a `hidden beast` number, since 2 + 4 + 4 + 2 + 4 + 602 + 6 + 2 + 40 = 666.

It is a super-2 number, since 2×244246026240² (a number of 24 digits) contains 22 as substring.

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 = 244246026195 and 244246026204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 7448601 + ... + 7481319.

It is an arithmetic number, because the mean of its divisors is an integer number (2615166450).

Almost surely, 2^244246026240 is an apocalyptic number.

244246026240 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 244246026240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439347963600).

244246026240 is an abundant number, since it is smaller than the sum of its proper divisors (634449900960).

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

244246026240 is an frugal number, since it uses more digits than its factorization.

244246026240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32764 (or 32729 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 244246026240 its reverse (42620642442), we get a palindrome (286866668682).

The spelling of 244246026240 in words is "two hundred forty-four billion, two hundred forty-six million, twenty-six thousand, two hundred forty".