256060890 has 48 divisors (see below), whose sum is σ = 666930888. Its totient is φ = 68162688.

The previous prime is 256060843. The next prime is 256060901. The reversal of 256060890 is 98060652.

256060890 is a `hidden beast` number, since 2 + 560 + 6 + 0 + 8 + 90 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 243079281 + 12981609 = 15591^2 + 3603^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56592 + ... + 60948.

Almost surely, 2^256060890 is an apocalyptic number.

256060890 is an abundant number, since it is smaller than the sum of its proper divisors (410869998).

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

256060890 is a wasteful number, since it uses less digits than its factorization.

256060890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5023 (or 5020 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 256060890 is about 16001.9026993667. The cubic root of 256060890 is about 635.0107589059.

The spelling of 256060890 in words is "two hundred fifty-six million, sixty thousand, eight hundred ninety".