255603414464 has 14 divisors (see below), whose sum is σ = 507213025704. Its totient is φ = 127801707200.

The previous prime is 255603414433. The next prime is 255603414481. The reversal of 255603414464 is 464414306552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1996901612 + ... + 1996901739.

It is an arithmetic number, because the mean of its divisors is an integer number (36229501836).

Almost surely, 2^255603414464 is an apocalyptic number.

It is an amenable number.

255603414464 is a deficient number, since it is larger than the sum of its proper divisors (251609611240).

255603414464 is an equidigital number, since it uses as much as digits as its factorization.

255603414464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3993803363 (or 3993803353 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 255603414464 in words is "two hundred fifty-five billion, six hundred three million, four hundred fourteen thousand, four hundred sixty-four".