44320711680 has 792 divisors, whose sum is σ = 185514009408. Its totient is φ = 10116513792.

The previous prime is 44320711651. The next prime is 44320711727. The reversal of 44320711680 is 8611702344.

44320711680 is a `hidden beast` number, since 443 + 20 + 7 + 116 + 80 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 60963477 + ... + 60964203.

Almost surely, 2^44320711680 is an apocalyptic number.

44320711680 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 44320711680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92757004704).

44320711680 is an abundant number, since it is smaller than the sum of its proper divisors (141193297728).

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

44320711680 is an equidigital number, since it uses as much as digits as its factorization.

44320711680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781 (or 744 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 44320711680 in words is "forty-four billion, three hundred twenty million, seven hundred eleven thousand, six hundred eighty".