256416626355 has 16 divisors (see below), whose sum is σ = 410404763904. Its totient is φ = 136709480160.

The previous prime is 256416626353. The next prime is 256416626381. The reversal of 256416626355 is 553626614652.

It is not a de Polignac number, because 256416626355 - 2¹ = 256416626353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 256416626298 and 256416626307.

It is not an unprimeable number, because it can be changed into a prime (256416626353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2832319 + ... + 2921448.

It is an arithmetic number, because the mean of its divisors is an integer number (25650297744).

Almost surely, 2^256416626355 is an apocalyptic number.

256416626355 is a deficient number, since it is larger than the sum of its proper divisors (153988137549).

256416626355 is a wasteful number, since it uses less digits than its factorization.

256416626355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5756746.

The product of its digits is 7776000, while the sum is 51.

The spelling of 256416626355 in words is "two hundred fifty-six billion, four hundred sixteen million, six hundred twenty-six thousand, three hundred fifty-five".