2530820018 has 8 divisors (see below), whose sum is σ = 3796467948. Its totient is φ = 1265330704.

The previous prime is 2530820003. The next prime is 2530820051. The reversal of 2530820018 is 8100280352.

It can be written as a sum of positive squares in 2 ways, for example, as 2325843529 + 204976489 = 48227^2 + 14317^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15680 + ... + 72852.

Almost surely, 2^2530820018 is an apocalyptic number.

2530820018 is a deficient number, since it is larger than the sum of its proper divisors (1265647930).

2530820018 is a wasteful number, since it uses less digits than its factorization.

2530820018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79308.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 2530820018 is about 50307.2561167870. The cubic root of 2530820018 is about 1362.7632719434.

The spelling of 2530820018 in words is "two billion, five hundred thirty million, eight hundred twenty thousand, eighteen".