4424051421140 has 36 divisors (see below), whose sum is σ = 10060135872444. Its totient is φ = 1633495908096.

The previous prime is 4424051421137. The next prime is 4424051421157. The reversal of 4424051421140 is 411241504244.

It can be written as a sum of positive squares in 6 ways, for example, as 101702312464 + 4322349108676 = 318908^2 + 2079026^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4424051421097 and 4424051421106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 654442097 + ... + 654448856.

It is an arithmetic number, because the mean of its divisors is an integer number (279448218679).

Almost surely, 2^{4424051421140} is an apocalyptic number.

It is an amenable number.

4424051421140 is an abundant number, since it is smaller than the sum of its proper divisors (5636084451304).

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

4424051421140 is a wasteful number, since it uses less digits than its factorization.

4424051421140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308890988 (or 1308890973 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 32.

Adding to 4424051421140 its reverse (411241504244), we get a palindrome (4835292925384).

The spelling of 4424051421140 in words is "four trillion, four hundred twenty-four billion, fifty-one million, four hundred twenty-one thousand, one hundred forty".