256068492 has 24 divisors (see below), whose sum is σ = 618097200. Its totient is φ = 82412736.

The previous prime is 256068469. The next prime is 256068503. The reversal of 256068492 is 294860652.

256068492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367567 + ... + 368262.

It is an arithmetic number, because the mean of its divisors is an integer number (25754050).

Almost surely, 2^256068492 is an apocalyptic number.

It is an amenable number.

256068492 is an abundant number, since it is smaller than the sum of its proper divisors (362028708).

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

256068492 is a wasteful number, since it uses less digits than its factorization.

256068492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735865 (or 735863 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 256068492 is about 16002.1402318565. The cubic root of 256068492 is about 635.0170429633.

The spelling of 256068492 in words is "two hundred fifty-six million, sixty-eight thousand, four hundred ninety-two".