2555994452 has 24 divisors (see below), whose sum is σ = 4908859200. Its totient is φ = 1154855360.

The previous prime is 2555994403. The next prime is 2555994461. The reversal of 2555994452 is 2544995552.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2555994452.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 166577 + ... + 181272.

It is an arithmetic number, because the mean of its divisors is an integer number (204535800).

Almost surely, 2^2555994452 is an apocalyptic number.

2555994452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2555994452 is a deficient number, since it is larger than the sum of its proper divisors (2352864748).

2555994452 is a wasteful number, since it uses less digits than its factorization.

2555994452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348031 (or 348029 counting only the distinct ones).

The product of its digits is 3240000, while the sum is 50.

The square root of 2555994452 is about 50556.8437701564. The cubic root of 2555994452 is about 1367.2669066975.

The spelling of 2555994452 in words is "two billion, five hundred fifty-five million, nine hundred ninety-four thousand, four hundred fifty-two".