44472775680 has 176 divisors, whose sum is σ = 158048706240. Its totient is φ = 11859369984.

The previous prime is 44472775679. The next prime is 44472775729. The reversal of 44472775680 is 8657727444.

44472775680 is a `hidden beast` number, since 4 + 4 + 4 + 7 + 2 + 77 + 568 + 0 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22614 + ... + 299093.

Almost surely, 2^44472775680 is an apocalyptic number.

44472775680 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 44472775680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79024353120).

44472775680 is an abundant number, since it is smaller than the sum of its proper divisors (113575930560).

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

44472775680 is a wasteful number, since it uses less digits than its factorization.

44472775680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321741 (or 321717 counting only the distinct ones).

The product of its (nonzero) digits is 10536960, while the sum is 54.

The spelling of 44472775680 in words is "forty-four billion, four hundred seventy-two million, seven hundred seventy-five thousand, six hundred eighty".