440654328 has 96 divisors (see below), whose sum is σ = 1226871360. Its totient is φ = 142813440.

The previous prime is 440654321. The next prime is 440654341. The reversal of 440654328 is 823456044.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 440654292 and 440654301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440654321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 666318 + ... + 666978.

It is an arithmetic number, because the mean of its divisors is an integer number (12779910).

Almost surely, 2^440654328 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 440654328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (613435680).

440654328 is an abundant number, since it is smaller than the sum of its proper divisors (786217032).

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

440654328 is a wasteful number, since it uses less digits than its factorization.

440654328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 440654328 is about 20991.7681008532. The cubic root of 440654328 is about 760.9673324249.

The spelling of 440654328 in words is "four hundred forty million, six hundred fifty-four thousand, three hundred twenty-eight".