44271636480 has 624 divisors, whose sum is σ = 167064946560. Its totient is φ = 11101077504.

The previous prime is 44271636407. The next prime is 44271636481. The reversal of 44271636480 is 8463617244.

44271636480 is a `hidden beast` number, since 4 + 4 + 2 + 7 + 1 + 636 + 4 + 8 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (44271636481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 750366691 + ... + 750366749.

Almost surely, 2^44271636480 is an apocalyptic number.

44271636480 is a gapful number since it is divisible by the number (40) 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 44271636480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83532473280).

44271636480 is an abundant number, since it is smaller than the sum of its proper divisors (122793310080).

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

44271636480 is an equidigital number, since it uses as much as digits as its factorization.

44271636480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 44271636480 in words is "forty-four billion, two hundred seventy-one million, six hundred thirty-six thousand, four hundred eighty".