44538016648 has 16 divisors (see below), whose sum is σ = 83545554780. Its totient is φ = 22259202048.

The previous prime is 44538016643. The next prime is 44538016693. The reversal of 44538016648 is 84661083544.

It can be written as a sum of positive squares in 2 ways, for example, as 43506450724 + 1031565924 = 208582^2 + 32118^2 .

It is not an unprimeable number, because it can be changed into a prime (44538016643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1206465 + ... + 1242832.

Almost surely, 2^44538016648 is an apocalyptic number.

It is an amenable number.

44538016648 is a deficient number, since it is larger than the sum of its proper divisors (39007538132).

44538016648 is a wasteful number, since it uses less digits than its factorization.

44538016648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451576 (or 2451572 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 49.

The spelling of 44538016648 in words is "forty-four billion, five hundred thirty-eight million, sixteen thousand, six hundred forty-eight".