2021440223232 has 192 divisors, whose sum is σ = 5990623984800. Its totient is φ = 673517076480.

The previous prime is 2021440223227. The next prime is 2021440223261. The reversal of 2021440223232 is 2323220441202.

2021440223232 is a `hidden beast` number, since 2 + 0 + 2 + 1 + 4 + 402 + 23 + 232 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×2021440223232² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2021440223196 and 2021440223205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151559668 + ... + 151573004.

Almost surely, 2^{2021440223232} 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 2021440223232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2995311992400).

2021440223232 is an abundant number, since it is smaller than the sum of its proper divisors (3969183761568).

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

2021440223232 is a wasteful number, since it uses less digits than its factorization.

2021440223232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16109 (or 16083 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 2021440223232 its reverse (2323220441202), we get a palindrome (4344660664434).

The spelling of 2021440223232 in words is "two trillion, twenty-one billion, four hundred forty million, two hundred twenty-three thousand, two hundred thirty-two".