440447010380 has 96 divisors (see below), whose sum is σ = 1000661485824. Its totient is φ = 161881138944.

The previous prime is 440447010379. The next prime is 440447010383. The reversal of 440447010380 is 83010744044.

It is a self number, because there is not a number n which added to its sum of digits gives 440447010380.

It is not an unprimeable number, because it can be changed into a prime (440447010383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85570967 + ... + 85576113.

It is an arithmetic number, because the mean of its divisors is an integer number (10423557144).

Almost surely, 2^440447010380 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 440447010380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (500330742912).

440447010380 is an abundant number, since it is smaller than the sum of its proper divisors (560214475444).

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

440447010380 is a wasteful number, since it uses less digits than its factorization.

440447010380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6615 (or 6613 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The spelling of 440447010380 in words is "four hundred forty billion, four hundred forty-seven million, ten thousand, three hundred eighty".