2530126856 has 16 divisors (see below), whose sum is σ = 4808975100. Its totient is φ = 1247733504.

The previous prime is 2530126853. The next prime is 2530126867. The reversal of 2530126856 is 6586210352.

It can be written as a sum of positive squares in 2 ways, for example, as 2506604356 + 23522500 = 50066^2 + 4850^2 .

It is not an unprimeable number, because it can be changed into a prime (2530126853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2165621 + ... + 2166788.

Almost surely, 2^2530126856 is an apocalyptic number.

It is an amenable number.

2530126856 is a deficient number, since it is larger than the sum of its proper divisors (2278848244).

2530126856 is a wasteful number, since it uses less digits than its factorization.

2530126856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4332488 (or 4332484 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 2530126856 is about 50300.3663604948. The cubic root of 2530126856 is about 1362.6388456097.

The spelling of 2530126856 in words is "two billion, five hundred thirty million, one hundred twenty-six thousand, eight hundred fifty-six".