44731422720 has 768 divisors, whose sum is σ = 174356582400. Its totient is φ = 10829168640.

The previous prime is 44731422719. The next prime is 44731422761. The reversal of 44731422720 is 2722413744.

44731422720 is a `hidden beast` number, since 4 + 473 + 142 + 27 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (768).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 63 ways as a sum of consecutive naturals, for example, 145704807 + ... + 145705113.

It is an arithmetic number, because the mean of its divisors is an integer number (227026800).

Almost surely, 2^44731422720 is an apocalyptic number.

44731422720 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 44731422720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87178291200).

44731422720 is an abundant number, since it is smaller than the sum of its proper divisors (129625159680).

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

44731422720 is a wasteful number, since it uses less digits than its factorization.

44731422720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The spelling of 44731422720 in words is "forty-four billion, seven hundred thirty-one million, four hundred twenty-two thousand, seven hundred twenty".