2430390055 has 4 divisors (see below), whose sum is σ = 2916468072. Its totient is φ = 1944312040.

The previous prime is 2430390047. The next prime is 2430390089. The reversal of 2430390055 is 5500930342.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2430390055 - 2³ = 2430390047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2430389999 and 2430390026.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243039001 + ... + 243039010.

It is an arithmetic number, because the mean of its divisors is an integer number (729117018).

Almost surely, 2^2430390055 is an apocalyptic number.

2430390055 is a deficient number, since it is larger than the sum of its proper divisors (486078017).

2430390055 is an equidigital number, since it uses as much as digits as its factorization.

2430390055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486078016.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 2430390055 is about 49298.9863486056. The cubic root of 2430390055 is about 1344.4933540416.

The spelling of 2430390055 in words is "two billion, four hundred thirty million, three hundred ninety thousand, fifty-five".