44321443440 has 160 divisors (see below), whose sum is σ = 145721673216. Its totient is φ = 11119764480.

The previous prime is 44321443403. The next prime is 44321443457. The reversal of 44321443440 is 4434412344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 270907 + ... + 402533.

Almost surely, 2^44321443440 is an apocalyptic number.

44321443440 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 44321443440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72860836608).

44321443440 is an abundant number, since it is smaller than the sum of its proper divisors (101400229776).

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

44321443440 is a wasteful number, since it uses less digits than its factorization.

44321443440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131727 (or 131721 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 44321443440 its reverse (4434412344), we get a palindrome (48755855784).

The spelling of 44321443440 in words is "forty-four billion, three hundred twenty-one million, four hundred forty-three thousand, four hundred forty".