256841376499546 has 8 divisors (see below), whose sum is σ = 385262384933664. Its totient is φ = 128420581521660.

The previous prime is 256841376499483. The next prime is 256841376499573. The reversal of 256841376499546 is 645994673148652.

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

It is a super-2 number, since 2×256841376499546² (a number of 30 digits) contains 22 as substring.

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, 50321230 + ... + 55189753.

It is an arithmetic number, because the mean of its divisors is an integer number (48157798116708).

Almost surely, 2^{256841376499546} is an apocalyptic number.

256841376499546 is a deficient number, since it is larger than the sum of its proper divisors (128421008434118).

256841376499546 is a wasteful number, since it uses less digits than its factorization.

256841376499546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106728116.

The product of its digits is 9405849600, while the sum is 79.

The spelling of 256841376499546 in words is "two hundred fifty-six trillion, eight hundred forty-one billion, three hundred seventy-six million, four hundred ninety-nine thousand, five hundred forty-six".