255620416534 has 32 divisors (see below), whose sum is σ = 440071833600. Its totient is φ = 109085496000.

The previous prime is 255620416529. The next prime is 255620416537. The reversal of 255620416534 is 435614026552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255620416537) 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, 17172507 + ... + 17187385.

It is an arithmetic number, because the mean of its divisors is an integer number (13752244800).

Almost surely, 2^255620416534 is an apocalyptic number.

255620416534 is a deficient number, since it is larger than the sum of its proper divisors (184451417066).

255620416534 is a wasteful number, since it uses less digits than its factorization.

255620416534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20028.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 255620416534 in words is "two hundred fifty-five billion, six hundred twenty million, four hundred sixteen thousand, five hundred thirty-four".