4340023402221 has 24 divisors (see below), whose sum is σ = 6751552735200. Its totient is φ = 2670623325216.

The previous prime is 4340023402219. The next prime is 4340023402237. The reversal of 4340023402221 is 1222043200434.

4340023402221 is a `hidden beast` number, since 4 + 3 + 400 + 2 + 34 + 0 + 2 + 221 = 666.

It is not a de Polignac number, because 4340023402221 - 2¹ = 4340023402219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4340023402201) 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, 859230 + ... + 3068928.

It is an arithmetic number, because the mean of its divisors is an integer number (281314697300).

Almost surely, 2^{4340023402221} is an apocalyptic number.

It is an amenable number.

4340023402221 is a deficient number, since it is larger than the sum of its proper divisors (2411529332979).

4340023402221 is a wasteful number, since it uses less digits than its factorization.

4340023402221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226505 (or 2226502 counting only the distinct ones).

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

Adding to 4340023402221 its reverse (1222043200434), we get a palindrome (5562066602655).

The spelling of 4340023402221 in words is "four trillion, three hundred forty billion, twenty-three million, four hundred two thousand, two hundred twenty-one".