440144421030 has 48 divisors (see below), whose sum is σ = 1181290840704. Its totient is φ = 113585656320.

The previous prime is 440144421029. The next prime is 440144421097. The reversal of 440144421030 is 30124441044.

440144421030 is a `hidden beast` number, since 4 + 4 + 0 + 1 + 444 + 210 + 3 + 0 = 666.

It is a super-2 number, since 2×440144421030² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 440144420985 and 440144421003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78876139 + ... + 78881718.

It is an arithmetic number, because the mean of its divisors is an integer number (24610225848).

Almost surely, 2^440144421030 is an apocalyptic number.

440144421030 is an abundant number, since it is smaller than the sum of its proper divisors (741146419674).

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

440144421030 is a wasteful number, since it uses less digits than its factorization.

440144421030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157757901 (or 157757898 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 440144421030 its reverse (30124441044), we get a palindrome (470268862074).

The spelling of 440144421030 in words is "four hundred forty billion, one hundred forty-four million, four hundred twenty-one thousand, thirty".