244212231003440 has 40 divisors (see below), whose sum is σ = 648906785239200. Its totient is φ = 83729907772416.

The previous prime is 244212231003439. The next prime is 244212231003491. The reversal of 244212231003440 is 44300132212442.

It is a happy number.

244212231003440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×244212231003440² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244212231003397 and 244212231003406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218046634265 + ... + 218046635384.

It is an arithmetic number, because the mean of its divisors is an integer number (16222669630980).

Almost surely, 2^{244212231003440} is an apocalyptic number.

244212231003440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244212231003440 is an abundant number, since it is smaller than the sum of its proper divisors (404694554235760).

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

244212231003440 is a wasteful number, since it uses less digits than its factorization.

244212231003440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436093269669 (or 436093269663 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 244212231003440 its reverse (44300132212442), we get a palindrome (288512363215882).

The spelling of 244212231003440 in words is "two hundred forty-four trillion, two hundred twelve billion, two hundred thirty-one million, three thousand, four hundred forty".