44438001330 has 128 divisors (see below), whose sum is σ = 109978767360. Its totient is φ = 11486016000.

The previous prime is 44438001329. The next prime is 44438001359. The reversal of 44438001330 is 3310083444.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 108650166 + ... + 108650574.

It is an arithmetic number, because the mean of its divisors is an integer number (859209120).

Almost surely, 2^44438001330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44438001330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54989383680).

44438001330 is an abundant number, since it is smaller than the sum of its proper divisors (65540766030).

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

44438001330 is a wasteful number, since it uses less digits than its factorization.

44438001330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 44438001330 its reverse (3310083444), we get a palindrome (47748084774).

The spelling of 44438001330 in words is "forty-four billion, four hundred thirty-eight million, one thousand, three hundred thirty".