44219185440 has 384 divisors, whose sum is σ = 150867505152. Its totient is φ = 10857369600.

The previous prime is 44219185433. The next prime is 44219185457. The reversal of 44219185440 is 4458191244.

It is a junction number, because it is equal to n+sod(n) for n = 44219185392 and 44219185401.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42072915 + ... + 42073965.

It is an arithmetic number, because the mean of its divisors is an integer number (392884128).

Almost surely, 2^44219185440 is an apocalyptic number.

44219185440 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 44219185440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75433752576).

44219185440 is an abundant number, since it is smaller than the sum of its proper divisors (106648319712).

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

44219185440 is a wasteful number, since it uses less digits than its factorization.

44219185440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232 (or 1224 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 44219185440 in words is "forty-four billion, two hundred nineteen million, one hundred eighty-five thousand, four hundred forty".