256623324477202 has 8 divisors (see below), whose sum is σ = 405194722858800. Its totient is φ = 121558416857604.

The previous prime is 256623324477011. The next prime is 256623324477283. The reversal of 256623324477202 is 202774423326652.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3376622690452 + ... + 3376622690527.

It is an arithmetic number, because the mean of its divisors is an integer number (50649340357350).

Almost surely, 2^{256623324477202} is an apocalyptic number.

256623324477202 is a deficient number, since it is larger than the sum of its proper divisors (148571398381598).

256623324477202 is a wasteful number, since it uses less digits than its factorization.

256623324477202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6753245381000.

The product of its (nonzero) digits is 40642560, while the sum is 55.

The spelling of 256623324477202 in words is "two hundred fifty-six trillion, six hundred twenty-three billion, three hundred twenty-four million, four hundred seventy-seven thousand, two hundred two".