44375611680 has 144 divisors (see below), whose sum is σ = 151602482304. Its totient is φ = 11820157440.

The previous prime is 44375611613. The next prime is 44375611723. The reversal of 44375611680 is 8611657344.

44375611680 is a `hidden beast` number, since 4 + 4 + 3 + 7 + 561 + 1 + 6 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1294927 + ... + 1328753.

It is an arithmetic number, because the mean of its divisors is an integer number (1052795016).

Almost surely, 2^44375611680 is an apocalyptic number.

44375611680 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 44375611680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75801241152).

44375611680 is an abundant number, since it is smaller than the sum of its proper divisors (107226870624).

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

44375611680 is a wasteful number, since it uses less digits than its factorization.

44375611680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34759 (or 34748 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 44375611680 in words is "forty-four billion, three hundred seventy-five million, six hundred eleven thousand, six hundred eighty".