2554216256 has 14 divisors (see below), whose sum is σ = 5068523010. Its totient is φ = 1277108096.

The previous prime is 2554216243. The next prime is 2554216271. The reversal of 2554216256 is 6526124552.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2265760000 + 288456256 = 47600^2 + 16984^2 .

It is a super-3 number, since 3×2554216256³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19954751 + ... + 19954878.

Almost surely, 2^2554216256 is an apocalyptic number.

It is an amenable number.

2554216256 is a deficient number, since it is larger than the sum of its proper divisors (2514306754).

2554216256 is an equidigital number, since it uses as much as digits as its factorization.

2554216256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39909641 (or 39909631 counting only the distinct ones).

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

The square root of 2554216256 is about 50539.2546047130. The cubic root of 2554216256 is about 1366.9497656113.

The spelling of 2554216256 in words is "two billion, five hundred fifty-four million, two hundred sixteen thousand, two hundred fifty-six".