4320240451 has 2 divisors, whose sum is σ = 4320240452. Its totient is φ = 4320240450.

The previous prime is 4320240439. The next prime is 4320240493. The reversal of 4320240451 is 1540420234.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4320240451 - 2²⁹ = 3783369539 is a prime.

It is not a weakly prime, because it can be changed into another prime (4320240851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160120225 + 2160120226.

It is an arithmetic number, because the mean of its divisors is an integer number (2160120226).

Almost surely, 2^4320240451 is an apocalyptic number.

4320240451 is a deficient number, since it is larger than the sum of its proper divisors (1).

4320240451 is an equidigital number, since it uses as much as digits as its factorization.

4320240451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 4320240451 is about 65728.5360478993. The cubic root of 4320240451 is about 1628.6807862681.

Adding to 4320240451 its reverse (1540420234), we get a palindrome (5860660685).

The spelling of 4320240451 in words is "four billion, three hundred twenty million, two hundred forty thousand, four hundred fifty-one".