4240030304421 has 40 divisors (see below), whose sum is σ = 6506100790904. Its totient is φ = 2749849119360.

The previous prime is 4240030304381. The next prime is 4240030304437. The reversal of 4240030304421 is 1244030300424.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1841747552100 + 2398282752321 = 1357110^2 + 1548639^2 .

It is not a de Polignac number, because 4240030304421 - 2¹⁸ = 4240030042277 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4240030304221) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19133571 + ... + 19353903.

Almost surely, 2^{4240030304421} is an apocalyptic number.

It is an amenable number.

4240030304421 is a deficient number, since it is larger than the sum of its proper divisors (2266070486483).

4240030304421 is a wasteful number, since it uses less digits than its factorization.

4240030304421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226803 (or 226794 counting only the distinct ones).

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

Adding to 4240030304421 its reverse (1244030300424), we get a palindrome (5484060604845).

The spelling of 4240030304421 in words is "four trillion, two hundred forty billion, thirty million, three hundred four thousand, four hundred twenty-one".