2555612426 has 4 divisors (see below), whose sum is σ = 3833418642. Its totient is φ = 1277806212.

The previous prime is 2555612419. The next prime is 2555612429. The reversal of 2555612426 is 6242165552.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1361979025 + 1193633401 = 36905^2 + 34549^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2555612426.

It is not an unprimeable number, because it can be changed into a prime (2555612429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638903105 + ... + 638903108.

Almost surely, 2^2555612426 is an apocalyptic number.

2555612426 is a deficient number, since it is larger than the sum of its proper divisors (1277806216).

2555612426 is a wasteful number, since it uses less digits than its factorization.

2555612426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277806215.

The product of its digits is 144000, while the sum is 38.

The square root of 2555612426 is about 50553.0654461230. The cubic root of 2555612426 is about 1367.1987848057.

Adding to 2555612426 its reverse (6242165552), we get a palindrome (8797777978).

The spelling of 2555612426 in words is "two billion, five hundred fifty-five million, six hundred twelve thousand, four hundred twenty-six".