44438378442 has 8 divisors (see below), whose sum is σ = 88876756896. Its totient is φ = 14812792812.

The previous prime is 44438378441. The next prime is 44438378473. The reversal of 44438378442 is 24487383444.

It is a sphenic number, since it is the product of 3 distinct primes.

44438378442 is an admirable number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (44438378441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3703198198 + ... + 3703198209.

It is an arithmetic number, because the mean of its divisors is an integer number (11109594612).

Almost surely, 2^44438378442 is an apocalyptic number.

44438378442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

44438378442 is a wasteful number, since it uses less digits than its factorization.

44438378442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7406396412.

The product of its digits is 8257536, while the sum is 51.

The spelling of 44438378442 in words is "forty-four billion, four hundred thirty-eight million, three hundred seventy-eight thousand, four hundred forty-two".