244663147620 has 192 divisors, whose sum is σ = 806616195840. Its totient is φ = 61354838016.

The previous prime is 244663147607. The next prime is 244663147639. The reversal of 244663147620 is 26741366442.

244663147620 is a `hidden beast` number, since 2 + 4 + 4 + 6 + 6 + 3 + 14 + 7 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11767554 + ... + 11788326.

It is an arithmetic number, because the mean of its divisors is an integer number (4201126020).

Almost surely, 2^244663147620 is an apocalyptic number.

244663147620 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 244663147620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (403308097920).

244663147620 is an abundant number, since it is smaller than the sum of its proper divisors (561953048220).

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

244663147620 is a wasteful number, since it uses less digits than its factorization.

244663147620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22091 (or 22083 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 45.

The spelling of 244663147620 in words is "two hundred forty-four billion, six hundred sixty-three million, one hundred forty-seven thousand, six hundred twenty".