2256888902578 has 8 divisors (see below), whose sum is σ = 3399862682268. Its totient is φ = 1123601341824.

The previous prime is 2256888902539. The next prime is 2256888902581. The reversal of 2256888902578 is 8752098886522.

It can be written as a sum of positive squares in 2 ways, for example, as 2248239344569 + 8649558009 = 1499413^2 + 93003^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2421554151 + ... + 2421555082.

Almost surely, 2^{2256888902578} is an apocalyptic number.

2256888902578 is a deficient number, since it is larger than the sum of its proper divisors (1142973779690).

2256888902578 is a wasteful number, since it uses less digits than its factorization.

2256888902578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4843109468.

The product of its (nonzero) digits is 309657600, while the sum is 70.

The spelling of 2256888902578 in words is "two trillion, two hundred fifty-six billion, eight hundred eighty-eight million, nine hundred two thousand, five hundred seventy-eight".