2400421043 has 2 divisors, whose sum is σ = 2400421044. Its totient is φ = 2400421042.

The previous prime is 2400421019. The next prime is 2400421057. The reversal of 2400421043 is 3401240042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2400421043 - 2¹⁴ = 2400404659 is a prime.

It is not a weakly prime, because it can be changed into another prime (2400421003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200210521 + 1200210522.

It is an arithmetic number, because the mean of its divisors is an integer number (1200210522).

Almost surely, 2^2400421043 is an apocalyptic number.

2400421043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2400421043 is an equidigital number, since it uses as much as digits as its factorization.

2400421043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2400421043 is about 48994.0919193325. The cubic root of 2400421043 is about 1338.9441900467.

Adding to 2400421043 its reverse (3401240042), we get a palindrome (5801661085).

The spelling of 2400421043 in words is "two billion, four hundred million, four hundred twenty-one thousand, forty-three".