256265342 has 4 divisors (see below), whose sum is σ = 384398016. Its totient is φ = 128132670.

The previous prime is 256265323. The next prime is 256265351. The reversal of 256265342 is 243562652.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64066334 + ... + 64066337.

It is an arithmetic number, because the mean of its divisors is an integer number (96099504).

Almost surely, 2^256265342 is an apocalyptic number.

256265342 is a deficient number, since it is larger than the sum of its proper divisors (128132674).

256265342 is a wasteful number, since it uses less digits than its factorization.

256265342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128132673.

The product of its digits is 86400, while the sum is 35.

The square root of 256265342 is about 16008.2897899807. The cubic root of 256265342 is about 635.1797222085.

The spelling of 256265342 in words is "two hundred fifty-six million, two hundred sixty-five thousand, three hundred forty-two".