2555904838 has 16 divisors (see below), whose sum is σ = 3919265280. Its totient is φ = 1249536456.

The previous prime is 2555904817. The next prime is 2555904881. The reversal of 2555904838 is 8384095552.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2555904791 and 2555904800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87133 + ... + 112711.

It is an arithmetic number, because the mean of its divisors is an integer number (244954080).

Almost surely, 2^2555904838 is an apocalyptic number.

2555904838 is a deficient number, since it is larger than the sum of its proper divisors (1363360442).

2555904838 is a wasteful number, since it uses less digits than its factorization.

2555904838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26691.

The product of its (nonzero) digits is 1728000, while the sum is 49.

The square root of 2555904838 is about 50555.9574926635. The cubic root of 2555904838 is about 1367.2509275694.

The spelling of 2555904838 in words is "two billion, five hundred fifty-five million, nine hundred four thousand, eight hundred thirty-eight".