2400322400551 has 2 divisors, whose sum is σ = 2400322400552. Its totient is φ = 2400322400550.

The previous prime is 2400322400549. The next prime is 2400322400599. The reversal of 2400322400551 is 1550042230042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2400322400551 - 2¹ = 2400322400549 is a prime.

Together with 2400322400549, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2400322400051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200161200275 + 1200161200276.

It is an arithmetic number, because the mean of its divisors is an integer number (1200161200276).

Almost surely, 2^{2400322400551} is an apocalyptic number.

2400322400551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2400322400551 is an equidigital number, since it uses as much as digits as its factorization.

2400322400551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 2400322400551 its reverse (1550042230042), we get a palindrome (3950364630593).

The spelling of 2400322400551 in words is "two trillion, four hundred billion, three hundred twenty-two million, four hundred thousand, five hundred fifty-one".