440001030 has 64 divisors (see below), whose sum is σ = 1211148288. Its totient is φ = 100214400.

The previous prime is 440001019. The next prime is 440001061. The reversal of 440001030 is 30100044.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 440000997 and 440001015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57955 + ... + 65105.

It is an arithmetic number, because the mean of its divisors is an integer number (18924192).

Almost surely, 2^440001030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440001030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (605574144).

440001030 is an abundant number, since it is smaller than the sum of its proper divisors (771147258).

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

440001030 is a wasteful number, since it uses less digits than its factorization.

440001030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7461.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 440001030 is about 20976.2015150503. The cubic root of 440001030 is about 760.5910856429.

Adding to 440001030 its reverse (30100044), we get a palindrome (470101074).

The spelling of 440001030 in words is "four hundred forty million, one thousand, thirty".