256303303541438 has 16 divisors (see below), whose sum is σ = 405677920609440. Its totient is φ = 121202539239936.

The previous prime is 256303303541437. The next prime is 256303303541473. The reversal of 256303303541438 is 834145303303652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256303303541437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31302304595 + ... + 31302312782.

It is an arithmetic number, because the mean of its divisors is an integer number (25354870038090).

Almost surely, 2^{256303303541438} is an apocalyptic number.

256303303541438 is a deficient number, since it is larger than the sum of its proper divisors (149374617068002).

256303303541438 is a wasteful number, since it uses less digits than its factorization.

256303303541438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62604617491.

The product of its (nonzero) digits is 9331200, while the sum is 50.

The spelling of 256303303541438 in words is "two hundred fifty-six trillion, three hundred three billion, three hundred three million, five hundred forty-one thousand, four hundred thirty-eight".