44863289856 has 840 divisors, whose sum is σ = 171316785024. Its totient is φ = 11600547840.

The previous prime is 44863289831. The next prime is 44863289879. The reversal of 44863289856 is 65898236844.

44863289856 is a `hidden beast` number, since 448 + 6 + 32 + 89 + 85 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 44863289793 and 44863289802.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 201180561 + ... + 201180783.

Almost surely, 2^44863289856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44863289856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85658392512).

44863289856 is an abundant number, since it is smaller than the sum of its proper divisors (126453495168).

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

44863289856 is an equidigital number, since it uses as much as digits as its factorization.

44863289856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 246 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 63.

The spelling of 44863289856 in words is "forty-four billion, eight hundred sixty-three million, two hundred eighty-nine thousand, eight hundred fifty-six".