4440021010420 has 24 divisors (see below), whose sum is σ = 9375558185448. Its totient is φ = 1766196201600.

The previous prime is 4440021010393. The next prime is 4440021010427. The reversal of 4440021010420 is 240101200444.

It can be written as a sum of positive squares in 4 ways, for example, as 193033694736 + 4246987315684 = 439356^2 + 2060822^2 .

It is a super-3 number, since 3×4440021010420³ (a number of 39 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4440021010391 and 4440021010400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440021010427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613258951 + ... + 613266190.

It is an arithmetic number, because the mean of its divisors is an integer number (390648257727).

Almost surely, 2^{4440021010420} is an apocalyptic number.

It is an amenable number.

4440021010420 is an abundant number, since it is smaller than the sum of its proper divisors (4935537175028).

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

4440021010420 is a wasteful number, since it uses less digits than its factorization.

4440021010420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226525331 (or 1226525329 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 4440021010420 its reverse (240101200444), we get a palindrome (4680122210864).

The spelling of 4440021010420 in words is "four trillion, four hundred forty billion, twenty-one million, ten thousand, four hundred twenty".