2340221421132 has 72 divisors (see below), whose sum is σ = 7158324360096. Its totient is φ = 629303238144.

The previous prime is 2340221421121. The next prime is 2340221421133. The reversal of 2340221421132 is 2311241220432.

2340221421132 is a `hidden beast` number, since 2 + 3 + 4 + 0 + 221 + 421 + 13 + 2 = 666.

It is a super-2 number, since 2×2340221421132² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2340221421096 and 2340221421105.

It is not an unprimeable number, because it can be changed into a prime (2340221421133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 273130803 + ... + 273139370.

It is an arithmetic number, because the mean of its divisors is an integer number (99421171668).

Almost surely, 2^{2340221421132} is an apocalyptic number.

It is an amenable number.

2340221421132 is an abundant number, since it is smaller than the sum of its proper divisors (4818102938964).

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

2340221421132 is a wasteful number, since it uses less digits than its factorization.

2340221421132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546270207 (or 546270202 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 2340221421132 its reverse (2311241220432), we get a palindrome (4651462641564).

The spelling of 2340221421132 in words is "two trillion, three hundred forty billion, two hundred twenty-one million, four hundred twenty-one thousand, one hundred thirty-two".