440021535083472 has 160 divisors (see below), whose sum is σ = 1205056436531200. Its totient is φ = 137967951338496.

The previous prime is 440021535083443. The next prime is 440021535083489. The reversal of 440021535083472 is 274380535120044.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 152128929 + ... + 154994367.

It is an arithmetic number, because the mean of its divisors is an integer number (7531602728320).

Almost surely, 2^{440021535083472} 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 440021535083472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (602528218265600).

440021535083472 is an abundant number, since it is smaller than the sum of its proper divisors (765034901447728).

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

440021535083472 is a wasteful number, since it uses less digits than its factorization.

440021535083472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866665 (or 2866659 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 48.

The spelling of 440021535083472 in words is "four hundred forty trillion, twenty-one billion, five hundred thirty-five million, eighty-three thousand, four hundred seventy-two".