244446620 has 72 divisors (see below), whose sum is σ = 571514832. Its totient is φ = 87746560.

The previous prime is 244446613. The next prime is 244446649. The reversal of 244446620 is 26644442.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200252 + ... + 201468.

It is an arithmetic number, because the mean of its divisors is an integer number (7937706).

Almost surely, 2^244446620 is an apocalyptic number.

244446620 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 244446620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285757416).

244446620 is an abundant number, since it is smaller than the sum of its proper divisors (327068212).

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

244446620 is a wasteful number, since it uses less digits than its factorization.

244446620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331 (or 1318 counting only the distinct ones).

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

The square root of 244446620 is about 15634.7887737571. The cubic root of 244446620 is about 625.2610067189.

The spelling of 244446620 in words is "two hundred forty-four million, four hundred forty-six thousand, six hundred twenty".