244135820 has 12 divisors (see below), whose sum is σ = 512685264. Its totient is φ = 97654320.

The previous prime is 244135789. The next prime is 244135841. The reversal of 244135820 is 28531442.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6103376 + ... + 6103415.

It is an arithmetic number, because the mean of its divisors is an integer number (42723772).

Almost surely, 2^244135820 is an apocalyptic number.

244135820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244135820 is an abundant number, since it is smaller than the sum of its proper divisors (268549444).

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

244135820 is a wasteful number, since it uses less digits than its factorization.

244135820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12206800 (or 12206798 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 244135820 is about 15624.8462392434. The cubic root of 244135820 is about 624.9958997064.

The spelling of 244135820 in words is "two hundred forty-four million, one hundred thirty-five thousand, eight hundred twenty".