44451948138208 has 96 divisors (see below), whose sum is σ = 94543838032896. Its totient is φ = 20451654033408.

The previous prime is 44451948138193. The next prime is 44451948138209. The reversal of 44451948138208 is 80283184915444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44451948138209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298346866 + ... + 298495822.

It is an arithmetic number, because the mean of its divisors is an integer number (984831646176).

Almost surely, 2^{44451948138208} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44451948138208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47271919016448).

44451948138208 is an abundant number, since it is smaller than the sum of its proper divisors (50091889894688).

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

44451948138208 is a wasteful number, since it uses less digits than its factorization.

44451948138208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151236 (or 151228 counting only the distinct ones).

The product of its (nonzero) digits is 35389440, while the sum is 61.

The spelling of 44451948138208 in words is "forty-four trillion, four hundred fifty-one billion, nine hundred forty-eight million, one hundred thirty-eight thousand, two hundred eight".