244138416 has 40 divisors (see below), whose sum is σ = 631737840. Its totient is φ = 81244416.

The previous prime is 244138403. The next prime is 244138459. The reversal of 244138416 is 614831442.

It is a nude number because it is divisible by every one of its digits.

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, 27450 + ... + 35238.

It is an arithmetic number, because the mean of its divisors is an integer number (15793446).

Almost surely, 2^244138416 is an apocalyptic number.

It is an amenable number.

244138416 is an abundant number, since it is smaller than the sum of its proper divisors (387599424).

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

244138416 is a wasteful number, since it uses less digits than its factorization.

244138416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8453 (or 8447 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 244138416 is about 15624.9293118401. The cubic root of 244138416 is about 624.9981149810.

Adding to 244138416 its reverse (614831442), we get a palindrome (858969858).

The spelling of 244138416 in words is "two hundred forty-four million, one hundred thirty-eight thousand, four hundred sixteen".