2556958250 has 128 divisors (see below), whose sum is σ = 6282731520. Its totient is φ = 754920000.

The previous prime is 2556958241. The next prime is 2556958279. The reversal of 2556958250 is 528596552.

It is a junction number, because it is equal to n+sod(n) for n = 2556958195 and 2556958204.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 362255 + ... + 369245.

It is an arithmetic number, because the mean of its divisors is an integer number (49083840).

Almost surely, 2^2556958250 is an apocalyptic number.

2556958250 is an abundant number, since it is smaller than the sum of its proper divisors (3725773270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2556958250 is a wasteful number, since it uses less digits than its factorization.

2556958250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7045 (or 7035 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 47.

The square root of 2556958250 is about 50566.3746970257. The cubic root of 2556958250 is about 1367.4387385145.

The spelling of 2556958250 in words is "two billion, five hundred fifty-six million, nine hundred fifty-eight thousand, two hundred fifty".