44864381384 has 8 divisors (see below), whose sum is σ = 84120715110. Its totient is φ = 22432190688.

The previous prime is 44864381381. The next prime is 44864381449. The reversal of 44864381384 is 48318346844.

It can be written as a sum of positive squares in only one way, i.e., 41729501284 + 3134880100 = 204278^2 + 55990^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (44864381381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2804023829 + ... + 2804023844.

Almost surely, 2^44864381384 is an apocalyptic number.

It is an amenable number.

44864381384 is a deficient number, since it is larger than the sum of its proper divisors (39256333726).

44864381384 is a wasteful number, since it uses less digits than its factorization.

44864381384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5608047679 (or 5608047675 counting only the distinct ones).

The product of its digits is 7077888, while the sum is 53.

The spelling of 44864381384 in words is "forty-four billion, eight hundred sixty-four million, three hundred eighty-one thousand, three hundred eighty-four".