2520434066 has 8 divisors (see below), whose sum is σ = 3781786044. Its totient is φ = 1259838720.

The previous prime is 2520434057. The next prime is 2520434069. The reversal of 2520434066 is 6604340252.

It can be written as a sum of positive squares in 2 ways, for example, as 2406393025 + 114041041 = 49055^2 + 10679^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2520434069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180755 + ... + 194198.

Almost surely, 2^2520434066 is an apocalyptic number.

2520434066 is a deficient number, since it is larger than the sum of its proper divisors (1261351978).

2520434066 is a wasteful number, since it uses less digits than its factorization.

2520434066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378316.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 2520434066 is about 50203.9248067320. The cubic root of 2520434066 is about 1360.8965516428.

The spelling of 2520434066 in words is "two billion, five hundred twenty million, four hundred thirty-four thousand, sixty-six".