256743027224354 has 32 divisors (see below), whose sum is σ = 420464217738240. Its totient is φ = 116607144931200.

The previous prime is 256743027224311. The next prime is 256743027224399. The reversal of 256743027224354 is 453422720347652.

It is a self number, because there is not a number n which added to its sum of digits gives 256743027224354.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 603492287 + ... + 603917565.

It is an arithmetic number, because the mean of its divisors is an integer number (13139506804320).

Almost surely, 2^{256743027224354} is an apocalyptic number.

256743027224354 is a deficient number, since it is larger than the sum of its proper divisors (163721190513886).

256743027224354 is a wasteful number, since it uses less digits than its factorization.

256743027224354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447386.

The product of its (nonzero) digits is 67737600, while the sum is 56.

The spelling of 256743027224354 in words is "two hundred fifty-six trillion, seven hundred forty-three billion, twenty-seven million, two hundred twenty-four thousand, three hundred fifty-four".